Use connected nodeboxes for cables

42 files changed, 194 insertions, 295 deletions

diff --git a/technic/legacy.lua b/technic/legacy.lua
index 8360a71..3600ec1 100644
--- a/technic/legacy.lua
+++ b/technic/legacy.lua
@@ -22,9 +22,6 @@ technic.legacy_nodenames = {
 	["technic:compressor"]        = "technic:lv_compressor",
 	["technic:compressor_active"] = "technic:lv_compressor_active",
 	["technic:hv_battery_box"] = "technic:hv_battery_box0",
-	["technic:hv_cable"] = "technic:hv_cable0",
-	["technic:lv_cable"] = "technic:lv_cable0",
-	["technic:mv_cable"] = "technic:mv_cable0",
 	["technic:mv_battery_box"] = "technic:mv_battery_box0",
 	["technic:generator"]        = "technic:lv_generator",
 	["technic:generator_active"] = "technic:lv_generator_active",
@@ -36,3 +33,9 @@ for old, new in pairs(technic.legacy_nodenames) do
 	minetest.register_alias(old, new)
 end
 
+for i = 0, 63 do
+	minetest.register_alias("technic:hv_cable"..i, "technic:hv_cable")
+	minetest.register_alias("technic:mv_cable"..i, "technic:mv_cable")
+	minetest.register_alias("technic:lv_cable"..i, "technic:lv_cable")
+end
+
diff --git a/technic/machines/HV/battery_box.lua b/technic/machines/HV/battery_box.lua
index 1e054ec..9093ba9 100644
--- a/technic/machines/HV/battery_box.lua
+++ b/technic/machines/HV/battery_box.lua
@@ -4,7 +4,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:mv_battery_box0', 'technic:mv_battery_box0', 'technic:mv_battery_box0'},
 		{'technic:mv_battery_box0', 'technic:hv_transformer',  'technic:mv_battery_box0'},
-		{'',                        'technic:hv_cable0',       ''},
+		{'',                        'technic:hv_cable',        ''},
 	}
 })
 
diff --git a/technic/machines/HV/cables.lua b/technic/machines/HV/cables.lua
index 25297c8..0b86a23 100644
--- a/technic/machines/HV/cables.lua
+++ b/technic/machines/HV/cables.lua
@@ -1,9 +1,9 @@
 
 minetest.register_craft({
-	output = 'technic:hv_cable0 3',
+	output = 'technic:hv_cable 3',
 	recipe = {
 		{'homedecor:plastic_sheeting', 'homedecor:plastic_sheeting', 'homedecor:plastic_sheeting'},
-		{'technic:mv_cable0',          'technic:mv_cable0',          'technic:mv_cable0'},
+		{'technic:mv_cable',           'technic:mv_cable',           'technic:mv_cable'},
 		{'homedecor:plastic_sheeting', 'homedecor:plastic_sheeting', 'homedecor:plastic_sheeting'},
 	}
 }) 
diff --git a/technic/machines/HV/forcefield.lua b/technic/machines/HV/forcefield.lua
index 0f0836d..3bf93b0 100644
--- a/technic/machines/HV/forcefield.lua
+++ b/technic/machines/HV/forcefield.lua
@@ -15,7 +15,7 @@ minetest.register_craft({
 	recipe = {
 			{"default:mese",         "technic:motor",          "default:mese"        },
 			{"technic:deployer_off", "technic:machine_casing", "technic:deployer_off"},
-			{"default:mese",         "technic:hv_cable0",      "default:mese"        },
+			{"default:mese",         "technic:hv_cable",       "default:mese"        },
 	}
 })
 
@@ -195,7 +195,7 @@ end
 minetest.register_node("technic:forcefield_emitter_off", {
 	description = S("%s Forcefield Emitter"):format("HV"),
 	tiles = {"technic_forcefield_emitter_off.png"},
-	groups = {cracky = 1, technic_machine = 1},
+	groups = {cracky = 1, technic_machine = 1, technic_hv = 1},
 	on_receive_fields = forcefield_receive_fields,
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
@@ -215,7 +215,8 @@ minetest.register_node("technic:forcefield_emitter_off", {
 minetest.register_node("technic:forcefield_emitter_on", {
 	description = S("%s Forcefield Emitter"):format("HV"),
 	tiles = {"technic_forcefield_emitter_on.png"},
-	groups = {cracky = 1, technic_machine = 1, not_in_creative_inventory=1},
+	groups = {cracky = 1, technic_machine = 1, technic_hv = 1,
+			not_in_creative_inventory=1},
 	drop = "technic:forcefield_emitter_off",
 	on_receive_fields = forcefield_receive_fields,
 	on_destruct = function(pos)
diff --git a/technic/machines/HV/generator.lua b/technic/machines/HV/generator.lua
index aa83590..3fb494b 100644
--- a/technic/machines/HV/generator.lua
+++ b/technic/machines/HV/generator.lua
@@ -5,7 +5,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:carbon_plate',          'technic:mv_generator',   'technic:composite_plate'},
 		{'pipeworks:tube_1',              'technic:hv_transformer', 'pipeworks:tube_1'},
-		{'technic:stainless_steel_ingot', 'technic:hv_cable0',      'technic:stainless_steel_ingot'},
+		{'technic:stainless_steel_ingot', 'technic:hv_cable',       'technic:stainless_steel_ingot'},
 	}
 })
 
diff --git a/technic/machines/HV/nuclear_reactor.lua b/technic/machines/HV/nuclear_reactor.lua
index 3aa1ba8..b39acb0 100644
--- a/technic/machines/HV/nuclear_reactor.lua
+++ b/technic/machines/HV/nuclear_reactor.lua
@@ -24,7 +24,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:carbon_plate',          'default:obsidian_glass', 'technic:carbon_plate'},
 		{'technic:composite_plate',       'technic:machine_casing', 'technic:composite_plate'},
-		{'technic:stainless_steel_ingot',      'technic:hv_cable0', 'technic:stainless_steel_ingot'},
+		{'technic:stainless_steel_ingot', 'technic:hv_cable',       'technic:stainless_steel_ingot'},
 	}
 })
 
@@ -260,7 +260,7 @@ minetest.register_node("technic:hv_nuclear_reactor_core", {
 	tiles = {"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
 	         "technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
 	         "technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png"},
-	groups = {cracky=1, technic_machine=1},
+	groups = {cracky=1, technic_machine=1, technic_hv=1},
 	legacy_facedir_simple = true,
 	sounds = default.node_sound_wood_defaults(),
 	drawtype="nodebox",
@@ -294,7 +294,8 @@ minetest.register_node("technic:hv_nuclear_reactor_core_active", {
 	tiles = {"technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
 	         "technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png",
 		 "technic_hv_nuclear_reactor_core.png", "technic_hv_nuclear_reactor_core.png"},
-	groups = {cracky=1, technic_machine=1, radioactive=11000, not_in_creative_inventory=1},
+	groups = {cracky=1, technic_machine=1, technic_hv=1,
+		radioactive=11000, not_in_creative_inventory=1},
 	legacy_facedir_simple = true,
 	sounds = default.node_sound_wood_defaults(),
 	drop="technic:hv_nuclear_reactor_core",
diff --git a/technic/machines/HV/quarry.lua b/technic/machines/HV/quarry.lua
index 60805cc..8255676 100644
--- a/technic/machines/HV/quarry.lua
+++ b/technic/machines/HV/quarry.lua
@@ -5,7 +5,7 @@ minetest.register_craft({
 	recipe = {
 		{"technic:carbon_plate",       "pipeworks:filter",       "technic:composite_plate"},
 		{"technic:motor",              "technic:machine_casing", "technic:diamond_drill_head"},
-		{"technic:carbon_steel_block", "technic:hv_cable0",      "technic:carbon_steel_block"}},
+		{"technic:carbon_steel_block", "technic:hv_cable",       "technic:carbon_steel_block"}},
 	output = "technic:quarry",
 })
 
@@ -213,7 +213,8 @@ minetest.register_node("technic:quarry", {
 	         "technic_carbon_steel_block.png^default_tool_mesepick.png",
 	         "technic_carbon_steel_block.png"),
 	paramtype2 = "facedir",
-	groups = {cracky=2, tubedevice=1, technic_machine = 1},
+	groups = {cracky=2, tubedevice=1, technic_machine=1, technic_hv=1},
+	connect_sides = {"bottom", "front", "left", "right"},
 	tube = {
 		connect_sides = {top = 1},
 	},
diff --git a/technic/machines/HV/solar_array.lua b/technic/machines/HV/solar_array.lua
index 414291a..c7de7c8 100644
--- a/technic/machines/HV/solar_array.lua
+++ b/technic/machines/HV/solar_array.lua
@@ -6,7 +6,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:solar_array_mv',     'technic:solar_array_mv', 'technic:solar_array_mv'},
 		{'technic:carbon_plate',       'technic:hv_transformer', 'technic:composite_plate'},
-		{'',                           'technic:hv_cable0',      ''},
+		{'',                           'technic:hv_cable',       ''},
 	}
 })
 
diff --git a/technic/machines/LV/alloy_furnace.lua b/technic/machines/LV/alloy_furnace.lua
index bdf2f31..5e4f7c4 100644
--- a/technic/machines/LV/alloy_furnace.lua
+++ b/technic/machines/LV/alloy_furnace.lua
@@ -4,9 +4,9 @@
 minetest.register_craft({
 	output = 'technic:lv_alloy_furnace',
 	recipe = {
-		{'default:brick',           'default:brick',          'default:brick'},
-		{'default:brick',           'technic:machine_casing', 'default:brick'},
-		{'default:brick',           'technic:lv_cable0',      'default:brick'},
+		{'default:brick', 'default:brick',          'default:brick'},
+		{'default:brick', 'technic:machine_casing', 'default:brick'},
+		{'default:brick', 'technic:lv_cable',       'default:brick'},
 	}
 })
 
diff --git a/technic/machines/LV/battery_box.lua b/technic/machines/LV/battery_box.lua
index 429bcd6..066bc9d 100644
--- a/technic/machines/LV/battery_box.lua
+++ b/technic/machines/LV/battery_box.lua
@@ -2,9 +2,9 @@
 minetest.register_craft({
 	output = 'technic:lv_battery_box0',
 	recipe = {
-		{'group:wood',              'group:wood',              'group:wood'},
-		{'technic:battery',         'technic:machine_casing',  'technic:battery'},
-		{'technic:battery',         'technic:lv_cable0',       'technic:battery'},
+		{'group:wood',      'group:wood',             'group:wood'},
+		{'technic:battery', 'technic:machine_casing', 'technic:battery'},
+		{'technic:battery', 'technic:lv_cable',       'technic:battery'},
 	}
 })
 
diff --git a/technic/machines/LV/cables.lua b/technic/machines/LV/cables.lua
index e18eae1..d4ed880 100644
--- a/technic/machines/LV/cables.lua
+++ b/technic/machines/LV/cables.lua
@@ -1,8 +1,8 @@
 
-minetest.register_alias("lv_cable", "technic:lv_cable0")
+minetest.register_alias("lv_cable", "technic:lv_cable")
 
 minetest.register_craft({
-	output = 'technic:lv_cable0 6',
+	output = 'technic:lv_cable 6',
 	recipe = {
 		{'default:paper',        'default:paper',        'default:paper'},
 		{'default:copper_ingot', 'default:copper_ingot', 'default:copper_ingot'},
diff --git a/technic/machines/LV/cnc.lua b/technic/machines/LV/cnc.lua
index dd67e9b..58ec6ba 100644
--- a/technic/machines/LV/cnc.lua
+++ b/technic/machines/LV/cnc.lua
@@ -9,6 +9,17 @@
 
 local S = technic.getter
 
+
+minetest.register_craft({
+	output = 'technic:cnc',
+	recipe = {
+		{'default:glass',              'technic:diamond_drill_head', 'default:glass'},
+		{'technic:control_logic_unit', 'technic:machine_casing',     'technic:motor'},
+		{'technic:carbon_steel_ingot', 'technic:lv_cable',           'technic:carbon_steel_ingot'},
+	},
+})
+
+
 local shape = {}
 local onesize_products = {
 	slope                    = 2,
@@ -174,16 +185,9 @@ minetest.register_node("technic:cnc", {
 	description = S("%s CNC Machine"):format("LV"),
 	tiles       = {"technic_cnc_top.png", "technic_cnc_bottom.png", "technic_cnc_side.png",
 	               "technic_cnc_side.png", "technic_cnc_side.png", "technic_cnc_front.png"},
-	drawtype    = "nodebox",
-	paramtype   = "light",
+	groups = {cracky=2, technic_machine=1, technic_lv=1},
+	connect_sides = {"bottom", "back", "left", "right"},
 	paramtype2  = "facedir",
-	node_box    = {
-		type  = "fixed",
-		fixed = {
-			{-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
-		},
-	},
-	groups = {cracky=2, technic_machine=1},
 	legacy_facedir_simple = true,
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
@@ -207,9 +211,10 @@ minetest.register_node("technic:cnc_active", {
 	description = S("%s CNC Machine"):format("LV"),
 	tiles       = {"technic_cnc_top_active.png", "technic_cnc_bottom.png", "technic_cnc_side.png",
 	               "technic_cnc_side.png",       "technic_cnc_side.png",   "technic_cnc_front_active.png"},
+	groups = {cracky=2, technic_machine=1, technic_lv=1, not_in_creative_inventory=1},
+	connect_sides = {"bottom", "back", "left", "right"},
 	paramtype2 = "facedir",
 	drop = "technic:cnc",
-	groups = {cracky=2, technic_machine=1, not_in_creative_inventory=1},
 	legacy_facedir_simple = true,
 	can_dig = technic.machine_can_dig,
 	allow_metadata_inventory_put = technic.machine_inventory_put,
@@ -223,15 +228,3 @@ minetest.register_node("technic:cnc_active", {
 technic.register_machine("LV", "technic:cnc",        technic.receiver)
 technic.register_machine("LV", "technic:cnc_active", technic.receiver)
 
--------------------------
--- CNC Machine Recipe
--------------------------
-minetest.register_craft({
-	output = 'technic:cnc',
-	recipe = {
-		{'default:glass',              'technic:diamond_drill_head', 'default:glass'},
-		{'technic:control_logic_unit', 'technic:machine_casing',     'technic:motor'},
-		{'technic:carbon_steel_ingot', 'technic:lv_cable0',          'technic:carbon_steel_ingot'},
-	},
-})
-
diff --git a/technic/machines/LV/compressor.lua b/technic/machines/LV/compressor.lua
index e2bde40..67b9f79 100644
--- a/technic/machines/LV/compressor.lua
+++ b/technic/machines/LV/compressor.lua
@@ -4,9 +4,9 @@ minetest.register_alias("compressor", "technic:lv_compressor")
 minetest.register_craft({
 	output = 'technic:lv_compressor',
 	recipe = {
-		{'default:stone',		'technic:motor',		'default:stone'},
-		{'mesecons:piston',		'technic:machine_casing',	'mesecons:piston'},
-		{'technic:fine_silver_wire',	'technic:lv_cable0',		'technic:fine_silver_wire'},
+		{'default:stone',            'technic:motor',          'default:stone'},
+		{'mesecons:piston',          'technic:machine_casing', 'mesecons:piston'},
+		{'technic:fine_silver_wire', 'technic:lv_cable',       'technic:fine_silver_wire'},
 	}
 })
 
diff --git a/technic/machines/LV/electric_furnace.lua b/technic/machines/LV/electric_furnace.lua
index cc4daff..768f04a 100644
--- a/technic/machines/LV/electric_furnace.lua
+++ b/technic/machines/LV/electric_furnace.lua
@@ -7,7 +7,7 @@ minetest.register_craft({
 	recipe = {
 		{'default:cobble', 'default:cobble',         'default:cobble'},
 		{'default:cobble', 'technic:machine_casing', 'default:cobble'},
-		{'default:cobble', 'technic:lv_cable0',      'default:cobble'},
+		{'default:cobble', 'technic:lv_cable',       'default:cobble'},
 	}
 })
 
diff --git a/technic/machines/LV/extractor.lua b/technic/machines/LV/extractor.lua
index 363d2e3..55d0140 100644
--- a/technic/machines/LV/extractor.lua
+++ b/technic/machines/LV/extractor.lua
@@ -6,7 +6,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:treetap', 'technic:motor',          'technic:treetap'},
 		{'technic:treetap', 'technic:machine_casing', 'technic:treetap'},
-		{'',                'technic:lv_cable0',      ''},
+		{'',                'technic:lv_cable',       ''},
 	}
 })
 
diff --git a/technic/machines/LV/generator.lua b/technic/machines/LV/generator.lua
index 999dbc5..dc9815f 100644
--- a/technic/machines/LV/generator.lua
+++ b/technic/machines/LV/generator.lua
@@ -10,7 +10,7 @@ minetest.register_craft({
 	recipe = {
 		{'default:stone', 'default:furnace',        'default:stone'},
 		{'default:stone', 'technic:machine_casing', 'default:stone'},
-		{'default:stone', 'technic:lv_cable0',      'default:stone'},
+		{'default:stone', 'technic:lv_cable',       'default:stone'},
 	}
 })
 
diff --git a/technic/machines/LV/geothermal.lua b/technic/machines/LV/geothermal.lua
index e88d3c9..27f4abc 100644
--- a/technic/machines/LV/geothermal.lua
+++ b/technic/machines/LV/geothermal.lua
@@ -10,9 +10,9 @@ local S = technic.getter
 minetest.register_craft({
 	output = 'technic:geothermal',
 	recipe = {
-		{'technic:granite', 'default:diamond', 'technic:granite'},
+		{'technic:granite',          'default:diamond',        'technic:granite'},
 		{'technic:fine_copper_wire', 'technic:machine_casing', 'technic:fine_copper_wire'},
-		{'technic:granite', 'technic:lv_cable0', 'technic:granite'},
+		{'technic:granite',          'technic:lv_cable',       'technic:granite'},
 	}
 })
 
@@ -82,8 +82,9 @@ minetest.register_node("technic:geothermal", {
 	description = S("Geothermal %s Generator"):format("LV"),
 	tiles = {"technic_geothermal_top.png", "technic_machine_bottom.png", "technic_geothermal_side.png",
 	         "technic_geothermal_side.png", "technic_geothermal_side.png", "technic_geothermal_side.png"},
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
+		technic_machine=1, technic_lv=1},
 	paramtype2 = "facedir",
-	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1},
 	legacy_facedir_simple = true,
 	sounds = default.node_sound_wood_defaults(),
 	on_construct = function(pos)
@@ -99,7 +100,8 @@ minetest.register_node("technic:geothermal_active", {
 	tiles = {"technic_geothermal_top_active.png", "technic_machine_bottom.png", "technic_geothermal_side.png",
 	         "technic_geothermal_side.png", "technic_geothermal_side.png", "technic_geothermal_side.png"},
 	paramtype2 = "facedir",
-	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, not_in_creative_inventory=1},
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
+		technic_machine=1, technic_lv=1, not_in_creative_inventory=1},
 	legacy_facedir_simple = true,
 	sounds = default.node_sound_wood_defaults(),
 	drop = "technic:geothermal",
diff --git a/technic/machines/LV/grinder.lua b/technic/machines/LV/grinder.lua
index da9ea29..9e45bf4 100644
--- a/technic/machines/LV/grinder.lua
+++ b/technic/machines/LV/grinder.lua
@@ -5,7 +5,7 @@ minetest.register_craft({
 	recipe = {
 		{'default:desert_stone', 'default:diamond',        'default:desert_stone'},
 		{'default:desert_stone', 'technic:machine_casing', 'default:desert_stone'},
-		{'technic:granite',      'technic:lv_cable0',      'technic:granite'},
+		{'technic:granite',      'technic:lv_cable',       'technic:granite'},
 	}
 })
 
diff --git a/technic/machines/LV/music_player.lua b/technic/machines/LV/music_player.lua
index dc7e2d0..262fe5f 100644
--- a/technic/machines/LV/music_player.lua
+++ b/technic/machines/LV/music_player.lua
@@ -9,7 +9,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:chromium_ingot', 'default:diamond',        'technic:chromium_ingot'},
 		{'default:diamond',        'technic:machine_casing', 'default:diamond'},
-		{'default:mossycobble',    'technic:lv_cable0',      'default:mossycobble'},
+		{'default:mossycobble',    'technic:lv_cable',       'default:mossycobble'},
 	}
 })
 
@@ -94,7 +94,9 @@ minetest.register_node("technic:music_player", {
 	description = S("%s Music Player"):format("LV"),
 	tiles = {"technic_music_player_top.png", "technic_machine_bottom.png", "technic_music_player_side.png",
 	         "technic_music_player_side.png", "technic_music_player_side.png", "technic_music_player_side.png"},
-	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1},
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
+		technic_machine=1, technic_lv=1},
+	connect_sides = {"bottom"},
 	sounds = default.node_sound_wood_defaults(),
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
diff --git a/technic/machines/LV/solar_array.lua b/technic/machines/LV/solar_array.lua
index 4d2c3b3..8c1b8f4 100644
--- a/technic/machines/LV/solar_array.lua
+++ b/technic/machines/LV/solar_array.lua
@@ -10,7 +10,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:solar_panel',        'technic:solar_panel',    'technic:solar_panel'},
 		{'technic:carbon_steel_ingot', 'technic:lv_transformer', 'technic:carbon_steel_ingot'},
-		{'',                           'technic:lv_cable0',      ''},
+		{'',                           'technic:lv_cable',       ''},
 	}
 })
 
diff --git a/technic/machines/LV/solar_panel.lua b/technic/machines/LV/solar_panel.lua
index 41dff95..fc2fce0 100644
--- a/technic/machines/LV/solar_panel.lua
+++ b/technic/machines/LV/solar_panel.lua
@@ -4,6 +4,17 @@
 
 local S = technic.getter
 
+
+minetest.register_craft({
+	output = 'technic:solar_panel',
+	recipe = {
+		{'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer'},
+		{'technic:fine_silver_wire',    'technic:lv_cable',            'mesecons_materials:glue'},
+
+	}
+})
+
+
 local run = function(pos, node)
 	-- The action here is to make the solar panel prodice power
 	-- Power is dependent on the light level and the height above ground
@@ -35,7 +46,9 @@ end
 minetest.register_node("technic:solar_panel", {
 	tiles = {"technic_solar_panel_top.png",  "technic_solar_panel_bottom.png", "technic_solar_panel_side.png",
 	         "technic_solar_panel_side.png", "technic_solar_panel_side.png",   "technic_solar_panel_side.png"},
-	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1},
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
+		technic_machine=1, technic_lv=1},
+	connect_sides = {"bottom"},
 	sounds = default.node_sound_wood_defaults(),
     	description = S("Small Solar %s Generator"):format("LV"),
 	active = false,
@@ -54,14 +67,5 @@ minetest.register_node("technic:solar_panel", {
 	technic_run = run,
 })
 
-minetest.register_craft({
-	output = 'technic:solar_panel',
-	recipe = {
-		{'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer'},
-		{'technic:fine_silver_wire',    'technic:lv_cable0',           'mesecons_materials:glue'},
-
-	}
-})
-
 technic.register_machine("LV", "technic:solar_panel", technic.producer)
 
diff --git a/technic/machines/LV/water_mill.lua b/technic/machines/LV/water_mill.lua
index 9088d1d..c853310 100644
--- a/technic/machines/LV/water_mill.lua
+++ b/technic/machines/LV/water_mill.lua
@@ -11,7 +11,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:marble', 'default:diamond',        'technic:marble'},
 		{'group:wood',     'technic:machine_casing', 'group:wood'},
-		{'technic:marble', 'technic:lv_cable0',      'technic:marble'},
+		{'technic:marble', 'technic:lv_cable',       'technic:marble'},
 	}
 })
 
@@ -72,7 +72,8 @@ minetest.register_node("technic:water_mill", {
 	         "technic_water_mill_side.png", "technic_water_mill_side.png",
 	         "technic_water_mill_side.png", "technic_water_mill_side.png"},
 	paramtype2 = "facedir",
-	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1},
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
+		technic_machine=1, technic_lv=1},
 	legacy_facedir_simple = true,
 	sounds = default.node_sound_wood_defaults(),
 	on_construct = function(pos)
@@ -89,7 +90,8 @@ minetest.register_node("technic:water_mill_active", {
 	         "technic_water_mill_side.png",       "technic_water_mill_side.png",
 	         "technic_water_mill_side.png",       "technic_water_mill_side.png"},
 	paramtype2 = "facedir",
-	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1, not_in_creative_inventory=1},
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
+		technic_machine=1, technic_lv=1, not_in_creative_inventory=1},
 	legacy_facedir_simple = true,
 	sounds = default.node_sound_wood_defaults(),
 	drop = "technic:water_mill",
diff --git a/technic/machines/MV/alloy_furnace.lua b/technic/machines/MV/alloy_furnace.lua
index a1918fd..eaddee0 100644
--- a/technic/machines/MV/alloy_furnace.lua
+++ b/technic/machines/MV/alloy_furnace.lua
@@ -5,7 +5,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:stainless_steel_ingot', 'technic:lv_alloy_furnace', 'technic:stainless_steel_ingot'},
 		{'pipeworks:tube_1',              'technic:mv_transformer',   'pipeworks:tube_1'},
-		{'technic:stainless_steel_ingot', 'technic:mv_cable0',        'technic:stainless_steel_ingot'},
+		{'technic:stainless_steel_ingot', 'technic:mv_cable',         'technic:stainless_steel_ingot'},
 	}
 })
 
diff --git a/technic/machines/MV/battery_box.lua b/technic/machines/MV/battery_box.lua
index 45437c1..d84ec15 100644
--- a/technic/machines/MV/battery_box.lua
+++ b/technic/machines/MV/battery_box.lua
@@ -5,7 +5,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:lv_battery_box0', 'technic:lv_battery_box0', 'technic:lv_battery_box0'},
 		{'technic:lv_battery_box0', 'technic:mv_transformer',  'technic:lv_battery_box0'},
-		{'',                        'technic:mv_cable0',       ''},
+		{'',                        'technic:mv_cable',        ''},
 	}
 })
 
diff --git a/technic/machines/MV/cables.lua b/technic/machines/MV/cables.lua
index b1a34c8..0c1f457 100644
--- a/technic/machines/MV/cables.lua
+++ b/technic/machines/MV/cables.lua
@@ -1,12 +1,12 @@
 
-minetest.register_alias("mv_cable", "technic:mv_cable0")
+minetest.register_alias("mv_cable", "technic:mv_cable")
 
 minetest.register_craft({
-	output = 'technic:mv_cable0 3',
+	output = 'technic:mv_cable 3',
 	recipe ={
-		{'technic:rubber',    'technic:rubber',    'technic:rubber'},
-		{'technic:lv_cable0', 'technic:lv_cable0', 'technic:lv_cable0'},
-		{'technic:rubber',    'technic:rubber',    'technic:rubber'},
+		{'technic:rubber',   'technic:rubber',   'technic:rubber'},
+		{'technic:lv_cable', 'technic:lv_cable', 'technic:lv_cable'},
+		{'technic:rubber',   'technic:rubber',   'technic:rubber'},
 	}
 }) 
 
diff --git a/technic/machines/MV/centrifuge.lua b/technic/machines/MV/centrifuge.lua
index 5bf24bf..a0aad64 100644
--- a/technic/machines/MV/centrifuge.lua
+++ b/technic/machines/MV/centrifuge.lua
@@ -1,9 +1,9 @@
 minetest.register_craft({
 	output = "technic:mv_centrifuge",
 	recipe = {
-		{ "technic:motor",          "technic:copper_plate",   "technic:diamond_drill_head" },
-		{ "technic:copper_plate",   "technic:machine_casing", "technic:copper_plate"       },
-		{ "pipeworks:one_way_tube", "technic:mv_cable0",      "pipeworks:mese_filter"      },
+		{"technic:motor",          "technic:copper_plate",   "technic:diamond_drill_head"},
+		{"technic:copper_plate",   "technic:machine_casing", "technic:copper_plate"      },
+		{"pipeworks:one_way_tube", "technic:mv_cable",       "pipeworks:mese_filter"     },
 	}
 })
 
diff --git a/technic/machines/MV/compressor.lua b/technic/machines/MV/compressor.lua
index 5b36cc5..d97739e 100644
--- a/technic/machines/MV/compressor.lua
+++ b/technic/machines/MV/compressor.lua
@@ -5,7 +5,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:stainless_steel_ingot', 'technic:lv_compressor',  'technic:stainless_steel_ingot'},
 		{'pipeworks:tube_1',              'technic:mv_transformer', 'pipeworks:tube_1'},
-		{'technic:stainless_steel_ingot', 'technic:mv_cable0',      'technic:stainless_steel_ingot'},
+		{'technic:stainless_steel_ingot', 'technic:mv_cable',       'technic:stainless_steel_ingot'},
 	}
 })
 
diff --git a/technic/machines/MV/electric_furnace.lua b/technic/machines/MV/electric_furnace.lua
index 1f6b1c2..b1d2dee 100644
--- a/technic/machines/MV/electric_furnace.lua
+++ b/technic/machines/MV/electric_furnace.lua
@@ -9,8 +9,8 @@ minetest.register_craft({
 	output = 'technic:mv_electric_furnace',
 	recipe = {
 		{'technic:stainless_steel_ingot', 'technic:lv_electric_furnace', 'technic:stainless_steel_ingot'},
-		{'pipeworks:tube_1',         'technic:mv_transformer',      'pipeworks:tube_1'},
-		{'technic:stainless_steel_ingot', 'technic:mv_cable0',           'technic:stainless_steel_ingot'},
+		{'pipeworks:tube_1',              'technic:mv_transformer',      'pipeworks:tube_1'},
+		{'technic:stainless_steel_ingot', 'technic:mv_cable',            'technic:stainless_steel_ingot'},
 	}
 })
 
diff --git a/technic/machines/MV/extractor.lua b/technic/machines/MV/extractor.lua
index fdef5b2..9066bca 100644
--- a/technic/machines/MV/extractor.lua
+++ b/technic/machines/MV/extractor.lua
@@ -5,7 +5,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:stainless_steel_ingot', 'technic:lv_extractor',   'technic:stainless_steel_ingot'},
 		{'pipeworks:tube_1',              'technic:mv_transformer', 'pipeworks:tube_1'},
-		{'technic:stainless_steel_ingot', 'technic:mv_cable0',      'technic:stainless_steel_ingot'},
+		{'technic:stainless_steel_ingot', 'technic:mv_cable',       'technic:stainless_steel_ingot'},
 	}
 })
 
diff --git a/technic/machines/MV/generator.lua b/technic/machines/MV/generator.lua
index 4ae24b8..db9d59f 100644
--- a/technic/machines/MV/generator.lua
+++ b/technic/machines/MV/generator.lua
@@ -5,7 +5,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:stainless_steel_ingot', 'technic:lv_generator',   'technic:stainless_steel_ingot'},
 		{'pipeworks:tube_1',              'technic:mv_transformer', 'pipeworks:tube_1'},
-		{'technic:stainless_steel_ingot', 'technic:mv_cable0',      'technic:stainless_steel_ingot'},
+		{'technic:stainless_steel_ingot', 'technic:mv_cable',       'technic:stainless_steel_ingot'},
 	}
 })
 
diff --git a/technic/machines/MV/grinder.lua b/technic/machines/MV/grinder.lua
index dac536c..19ab372 100644
--- a/technic/machines/MV/grinder.lua
+++ b/technic/machines/MV/grinder.lua
@@ -4,8 +4,8 @@ minetest.register_craft({
 	output = 'technic:mv_grinder',
 	recipe = {
 		{'technic:stainless_steel_ingot', 'technic:lv_grinder',     'technic:stainless_steel_ingot'},
-		{'pipeworks:tube_1',         'technic:mv_transformer', 'pipeworks:tube_1'},
-		{'technic:stainless_steel_ingot', 'technic:mv_cable0',      'technic:stainless_steel_ingot'},
+		{'pipeworks:tube_1',              'technic:mv_transformer', 'pipeworks:tube_1'},
+		{'technic:stainless_steel_ingot', 'technic:mv_cable',       'technic:stainless_steel_ingot'},
 	}
 })
 
diff --git a/technic/machines/MV/power_radiator.lua b/technic/machines/MV/power_radiator.lua
index 560f8a9..9349e66 100644
--- a/technic/machines/MV/power_radiator.lua
+++ b/technic/machines/MV/power_radiator.lua
@@ -12,6 +12,16 @@
 
 local power_radius = 12
 
+
+minetest.register_craft({
+	output = 'technic:power_radiator 1',
+	recipe = {
+		{'technic:stainless_steel_ingot', 'technic:mv_transformer', 'technic:stainless_steel_ingot'},
+		{'technic:copper_coil',           'technic:machine_casing', 'technic:copper_coil'},
+		{'technic:rubber',                'technic:mv_cable',       'technic:rubber'},
+	}
+})
+
 ------------------------------------------------------------------
 -- API for inductive powered nodes:
 -- Use the functions below to set the corresponding callbacks
@@ -135,15 +145,6 @@ minetest.register_node("technic:power_radiator", {
 	end
 })
 
-minetest.register_craft({
-	output = 'technic:power_radiator 1',
-	recipe = {
-		{'technic:stainless_steel_ingot', 'technic:mv_transformer', 'technic:stainless_steel_ingot'},
-		{'technic:copper_coil',           'technic:machine_casing', 'technic:copper_coil'},
-		{'technic:rubber',                'technic:mv_cable0',      'technic:rubber'},
-	}
-})
-
 minetest.register_abm({
 	nodenames = {"technic:power_radiator"},
 	interval   = 1,
diff --git a/technic/machines/MV/solar_array.lua b/technic/machines/MV/solar_array.lua
index 227d8ee..4077a5c 100644
--- a/technic/machines/MV/solar_array.lua
+++ b/technic/machines/MV/solar_array.lua
@@ -4,7 +4,7 @@ minetest.register_craft({
 	recipe = {
 		{'technic:solar_array_lv',     'technic:solar_array_lv', 'technic:solar_array_lv'},
 		{'technic:carbon_steel_ingot', 'technic:mv_transformer', 'technic:carbon_steel_ingot'},
-		{'',                           'technic:mv_cable0',      ''},
+		{'',                           'technic:mv_cable',       ''},
 	}
 })
 
diff --git a/technic/machines/MV/tool_workshop.lua b/technic/machines/MV/tool_workshop.lua
index 318b1ec..4076cc1 100644
--- a/technic/machines/MV/tool_workshop.lua
+++ b/technic/machines/MV/tool_workshop.lua
@@ -10,7 +10,7 @@ minetest.register_craft({
 	recipe = {
 		{'group:wood',                         'default:diamond',        'group:wood'},
 		{'mesecons_pistons:piston_sticky_off', 'technic:machine_casing', 'technic:carbon_cloth'},
-		{'default:obsidian',                   'technic:mv_cable0',      'default:obsidian'},
+		{'default:obsidian',                   'technic:mv_cable',       'default:obsidian'},
 	}
 })
 
@@ -85,7 +85,9 @@ minetest.register_node("technic:tool_workshop", {
 	paramtype2 = "facedir",
 	tiles = {"technic_workshop_top.png", "technic_machine_bottom.png", "technic_workshop_side.png",
 	         "technic_workshop_side.png", "technic_workshop_side.png", "technic_workshop_side.png"},
-	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1, tubedevice=1, tubedevice_receiver=1},
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
+		technic_machine=1, technic_mv=1, tubedevice=1, tubedevice_receiver=1},
+	connect_sides = {"bottom", "back", "left", "right"},
 	sounds = default.node_sound_wood_defaults(),
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
diff --git a/technic/machines/MV/wind_mill.lua b/technic/machines/MV/wind_mill.lua
index c553051..40ecdd6 100644
--- a/technic/machines/MV/wind_mill.lua
+++ b/technic/machines/MV/wind_mill.lua
@@ -15,7 +15,7 @@ minetest.register_craft({
 	recipe = {
 		{'',                           'technic:motor',              ''},
 		{'technic:carbon_steel_ingot', 'technic:carbon_steel_block', 'technic:carbon_steel_ingot'},
-		{'',                           'technic:mv_cable0',          ''},
+		{'',                           'technic:mv_cable',           ''},
 	}
 })
 
@@ -62,7 +62,8 @@ minetest.register_node("technic:wind_mill", {
 	description = S("Wind %s Generator"):format("MV"),
 	tiles = {"technic_carbon_steel_block.png"},
 	paramtype2 = "facedir",
-	groups = {cracky=1, technic_machine=1},
+	groups = {cracky=1, technic_machine=1, technic_mv=1},
+	connect_sides = {"top", "bottom", "back", "left", "right"},
 	sounds = default.node_sound_stone_defaults(),
 	drawtype = "nodebox",
 	paramtype = "light",
diff --git a/technic/machines/register/battery_box.lua b/technic/machines/register/battery_box.lua
index 82edca0..cde4816 100644
--- a/technic/machines/register/battery_box.lua
+++ b/technic/machines/register/battery_box.lua
@@ -159,7 +159,8 @@ function technic.register_battery_box(data)
 	end
 	
 	for i = 0, 8 do
-		local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1}
+		local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
+				technic_machine=1, ["technic_"..ltier]=1}
 		if i ~= 0 then
 			groups.not_in_creative_inventory = 1
 		end
@@ -178,6 +179,7 @@ function technic.register_battery_box(data)
 				 "technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
 				 "technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png"},
 			groups = groups,
+			connect_sides = {"bottom"},
 			tube = data.tube and tube or nil,
 			paramtype2 = "facedir",
 			sounds = default.node_sound_wood_defaults(),
diff --git a/technic/machines/register/cables.lua b/technic/machines/register/cables.lua
index a1e7bc8..28984c0 100644
--- a/technic/machines/register/cables.lua
+++ b/technic/machines/register/cables.lua
@@ -1,177 +1,65 @@
 
 local S = technic.getter
 
-local cable_itstr_to_tier = {}
-
-function technic.register_cable(tier, size)
-	local ltier = string.lower(tier)
-
-	for x1 = 0, 1 do
-	for x2 = 0, 1 do
-	for y1 = 0, 1 do
-	for y2 = 0, 1 do
-	for z1 = 0, 1 do
-	for z2 = 0, 1 do
-		local id = technic.get_cable_id({x1, x2, y1, y2, z1, z2})
-
-		cable_itstr_to_tier["technic:"..ltier.."_cable"..id] = tier
-
-		local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2}
-		if id ~= 0 then
-			groups.not_in_creative_inventory = 1
-		end
-
-		minetest.register_node("technic:"..ltier.."_cable"..id, {
-			description = S("%s Cable"):format(tier),
-			tiles = {"technic_"..ltier.."_cable.png"},
-			inventory_image = "technic_"..ltier.."_cable_wield.png",
-			wield_image = "technic_"..ltier.."_cable_wield.png",
-			groups = groups,
-			sounds = default.node_sound_wood_defaults(),
-			drop = "technic:"..ltier.."_cable0",
-			paramtype = "light",
-			sunlight_propagates = true,
-			drawtype = "nodebox",
-			node_box = {
-				type = "fixed",
-				fixed = technic.gen_cable_nodebox(x1, y1, z1, x2, y2, z2, size)
-			},
-			on_construct = function()
-				technic.networks = {}
-			end,
-			on_destruct = function()
-				technic.networks = {}
-			end,
-			after_place_node = function(pos)
-				local node = minetest.get_node(pos)
-				technic.update_cables(pos, technic.get_cable_tier(node.name))
-			end,
-			after_dig_node = function(pos, oldnode)
-				local tier = technic.get_cable_tier(oldnode.name)
-				technic.update_cables(pos, tier, true)
-			end
-		})
-	end
-	end
-	end
-	end
-	end
-	end
-end
-
-minetest.register_on_placenode(function(pos, node)
-	for tier, machine_list in pairs(technic.machines) do
-		if machine_list[node.name] ~= nil then
-			technic.update_cables(pos, tier, true)
-			technic.networks = {}
-		end
-	end
-end)
-
-
-minetest.register_on_dignode(function(pos, node)
-	for tier, machine_list in pairs(technic.machines) do
-		if machine_list[node.name] ~= nil then
-			technic.update_cables(pos, tier, true)
-			technic.networks = {}
-		end
-	end
-end)
-
-function technic.get_cable_id(links)
-	return (links[6] * 1) + (links[5] * 2)
-			+ (links[4] * 4)  + (links[3] * 8)
-			+ (links[2] * 16) + (links[1] * 32)
-end
-
-function technic.update_cables(pos, tier, no_set, secondrun)
-	local link_positions = {
-		{x=pos.x+1, y=pos.y,   z=pos.z},
-		{x=pos.x-1, y=pos.y,   z=pos.z},
-		{x=pos.x,   y=pos.y+1, z=pos.z},
-		{x=pos.x,   y=pos.y-1, z=pos.z},
-		{x=pos.x,   y=pos.y,   z=pos.z+1},
-		{x=pos.x,   y=pos.y,   z=pos.z-1}}
-
-	local links = {0, 0, 0, 0, 0, 0}
-
-	for i, link_pos in pairs(link_positions) do
-		local connect_type = technic.cables_should_connect(pos, link_pos, tier)
-		if connect_type then
-			links[i] = 1
-			-- Have cables next to us update theirselves,
-			-- but only once. (We don't want to update the entire
-			-- network or start an infinite loop of updates)
-			if not secondrun and connect_type == "cable" then
-				technic.update_cables(link_pos, tier, false, true)
-			end
-		end
-	end
-	-- We don't want to set ourselves if we have been removed or we are
-	-- updating a machine
-	if not no_set then
-		minetest.set_node(pos, {name="technic:"..string.lower(tier)
-				.."_cable"..technic.get_cable_id(links)})
-
-	end
-end
-
+local cable_tier = {}
 
 function technic.is_tier_cable(name, tier)
-	return cable_itstr_to_tier[name] and cable_itstr_to_tier[name] == tier
+	return cable_tier[name] == tier
 end
 
-
 function technic.get_cable_tier(name)
-	return cable_itstr_to_tier[name]
+	return cable_tier[name]
 end
 
-
-function technic.cables_should_connect(pos1, pos2, tier)
-	local name = minetest.get_node(pos2).name
-
-	if name == "technic:switching_station" then
-		return pos2.y == pos1.y + 1 and "machine" or false
-	elseif name == "technic:supply_converter" then
-		return math.abs(pos2.y - pos1.y) == 1 and "machine" or false
-	elseif technic.is_tier_cable(name, tier) then
-		return "cable"
-	elseif technic.machines[tier][name] then
-		return "machine"
-	end
-	return false
+local function clear_networks()
+	technic.networks = {}
 end
 
+function technic.register_cable(tier, size)
+	local ltier = string.lower(tier)
+	cable_tier["technic:"..ltier.."_cable"] = tier
+
+	local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2}
+
+	local node_box = {
+		type = "connected",
+		fixed          = {-size, -size, -size, size,  size, size},
+		connect_top    = {-size, -size, -size, size,  0.5,  size}, -- y+
+		connect_bottom = {-size, -0.5,  -size, size,  size, size}, -- y-
+		connect_front  = {-size, -size, -0.5,  size,  size, size}, -- z-
+		connect_back   = {-size, -size,  size, size,  size, 0.5 }, -- z+
+		connect_left   = {-0.5,  -size, -size, size,  size, size}, -- x-
+		connect_right  = {-size, -size, -size, 0.5,   size, size}, -- x+
+	}
+
+	minetest.register_node("technic:"..ltier.."_cable", {
+		description = S("%s Cable"):format(tier),
+		tiles = {"technic_"..ltier.."_cable.png"},
+		inventory_image = "technic_"..ltier.."_cable_wield.png",
+		wield_image = "technic_"..ltier.."_cable_wield.png",
+		groups = groups,
+		sounds = default.node_sound_wood_defaults(),
+		drop = "technic:"..ltier.."_cable",
+		paramtype = "light",
+		sunlight_propagates = true,
+		drawtype = "nodebox",
+		node_box = node_box,
+		connects_to = {"technic:"..ltier.."_cable",
+			"group:technic_"..ltier, "group:technic_all_tiers"},
+		on_construct = clear_networks,
+		on_destruct = clear_networks,
+	})
+end
 
-function technic.gen_cable_nodebox(x1, y1, z1, x2, y2, z2, size)
-	-- Nodeboxes
-	local box_center = {-size, -size, -size, size,  size, size}
-	local box_y1 =     {-size, -size, -size, size,  0.5,  size} -- y+
-	local box_x1 =     {-size, -size, -size, 0.5,   size, size} -- x+
-	local box_z1 =     {-size, -size,  size, size,  size, 0.5}  -- z+
-	local box_z2 =     {-size, -size, -0.5,  size,  size, size} -- z-
-	local box_y2 =     {-size, -0.5,  -size, size,  size, size} -- y-
-	local box_x2 =     {-0.5,  -size, -size, size,  size, size} -- x-
 
-	local box = {box_center}
-	if x1 == 1 then
-		table.insert(box, box_x1)
-	end
-	if y1 == 1 then
-		table.insert(box, box_y1)
-	end
-	if z1 == 1 then
-		table.insert(box, box_z1)
-	end
-	if x2 == 1 then
-		table.insert(box, box_x2)
-	end
-	if y2 == 1 then
-		table.insert(box, box_y2)
-	end
-	if z2 == 1 then
-		table.insert(box, box_z2)
+local function clear_nets_if_machine(pos, node)
+	for tier, machine_list in pairs(technic.machines) do
+		if machine_list[node.name] ~= nil then
+			return clear_networks()
+		end
 	end
-	return box
 end
 
+minetest.register_on_placenode(clear_nets_if_machine)
+minetest.register_on_dignode(clear_nets_if_machine)
+
diff --git a/technic/machines/register/generator.lua b/technic/machines/register/generator.lua
index 31c1cef..2cdc336 100644
--- a/technic/machines/register/generator.lua
+++ b/technic/machines/register/generator.lua
@@ -18,14 +18,14 @@ function technic.register_generator(data)
 	local tier = data.tier
 	local ltier = string.lower(tier)
 
-	local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1}
-	local active_groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1, not_in_creative_inventory=1}
+	local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
+		technic_machine=1, ["technic_"..ltier]=1}
 	if data.tube then
 		groups.tubedevice = 1
 		groups.tubedevice_receiver = 1
-		active_groups.tubedevice = 1
-		active_groups.tubedevice_receiver = 1
 	end
+	local active_groups = {not_in_creative_inventory = 1}
+	for k, v in pairs(groups) do active_groups[k] = v end
 
 	local generator_formspec =
 		"invsize[8,9;]"..
@@ -93,6 +93,7 @@ function technic.register_generator(data)
 		         "technic_"..ltier.."_generator_side.png", "technic_"..ltier.."_generator_front.png"}, 
 		paramtype2 = "facedir",
 		groups = groups,
+		connect_sides = {"bottom", "back", "left", "right"},
 		legacy_facedir_simple = true,
 		sounds = default.node_sound_wood_defaults(),
 		tube = data.tube and tube or nil,
@@ -122,6 +123,7 @@ function technic.register_generator(data)
 		         "technic_"..ltier.."_generator_side.png", "technic_"..ltier.."_generator_front_active.png"},
 		paramtype2 = "facedir",
 		groups = active_groups,
+		connect_sides = {"bottom"},
 		legacy_facedir_simple = true,
 		sounds = default.node_sound_wood_defaults(),
 		tube = data.tube and tube or nil,
diff --git a/technic/machines/register/machine_base.lua b/technic/machines/register/machine_base.lua
index 0c46261..8cf851b 100644
--- a/technic/machines/register/machine_base.lua
+++ b/technic/machines/register/machine_base.lua
@@ -15,6 +15,8 @@ local tube = {
 	connect_sides = {left = 1, right = 1, back = 1, top = 1, bottom = 1},
 }
 
+local connect_default = {"bottom", "back", "left", "right"}
+
 local function round(v)
 	return math.floor(v + 0.5)
 end
@@ -27,15 +29,13 @@ function technic.register_base_machine(data)
 	local tier = data.tier
 	local ltier = string.lower(tier)
 
-	local groups = {cracky = 2, technic_machine = 1}
-	local active_groups = {cracky = 2, technic_machine = 1, not_in_creative_inventory = 1}
+	local groups = {cracky = 2, technic_machine = 1, ["technic_"..ltier] = 1}
 	if data.tube then
 		groups.tubedevice = 1
 		groups.tubedevice_receiver = 1
-		active_groups.tubedevice = 1
-		active_groups.tubedevice_receiver = 1
 	end
-
+	local active_groups = {not_in_creative_inventory = 1}
+	for k, v in pairs(groups) do active_groups[k] = v end
 
 	local formspec =
 		"invsize[8,9;]"..
@@ -145,6 +145,7 @@ function technic.register_base_machine(data)
 		paramtype2 = "facedir",
 		groups = groups,
 		tube = data.tube and tube or nil,
+		connect_sides = data.connect_sides or connect_default,
 		legacy_facedir_simple = true,
 		sounds = default.node_sound_wood_defaults(),
 		on_construct = function(pos)
@@ -179,6 +180,7 @@ function technic.register_base_machine(data)
 		paramtype2 = "facedir",
 		drop = "technic:"..ltier.."_"..machine_name,
 		groups = active_groups,
+		connect_sides = data.connect_sides or connect_default,
 		legacy_facedir_simple = true,
 		sounds = default.node_sound_wood_defaults(),
 		tube = data.tube and tube or nil,
diff --git a/technic/machines/register/solar_array.lua b/technic/machines/register/solar_array.lua
index 39f50d2..cc6ffc8 100644
--- a/technic/machines/register/solar_array.lua
+++ b/technic/machines/register/solar_array.lua
@@ -42,7 +42,8 @@ function technic.register_solar_array(data)
 		tiles = {"technic_"..ltier.."_solar_array_top.png",  "technic_"..ltier.."_solar_array_bottom.png",
 			 "technic_"..ltier.."_solar_array_side.png", "technic_"..ltier.."_solar_array_side.png",
 			 "technic_"..ltier.."_solar_array_side.png", "technic_"..ltier.."_solar_array_side.png"},
-		groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1},
+		groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1, ["technic_"..ltier]=1},
+		connect_sides = {"bottom"},
 		sounds = default.node_sound_wood_defaults(),
 		description = S("Arrayed Solar %s Generator"):format(tier),
 		active = false,
diff --git a/technic/machines/supply_converter.lua b/technic/machines/supply_converter.lua
index ffcd40d..055885d 100644
--- a/technic/machines/supply_converter.lua
+++ b/technic/machines/supply_converter.lua
@@ -49,14 +49,10 @@ minetest.register_node("technic:supply_converter", {
 	tiles  = {"technic_supply_converter_top.png", "technic_supply_converter_bottom.png",
 	          "technic_supply_converter_side.png", "technic_supply_converter_side.png",
 	          "technic_supply_converter_side.png", "technic_supply_converter_side.png"},
-	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_machine=1},
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2,
+		technic_machine=1, technic_all_tiers=1},
+	connect_sides = {"top", "bottom"},
 	sounds = default.node_sound_wood_defaults(),
-	drawtype = "nodebox",
-	paramtype = "light",
-	node_box = {
-		type = "fixed",
-		fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
-	},
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		meta:set_string("infotext", S("Supply Converter"))
@@ -68,9 +64,9 @@ minetest.register_node("technic:supply_converter", {
 minetest.register_craft({
 	output = 'technic:supply_converter 1',
 	recipe = {
-		{'technic:fine_gold_wire',        'technic:rubber',         'technic:doped_silicon_wafer'},
-		{'technic:mv_transformer',        'technic:machine_casing', 'technic:lv_transformer'},
-		{'technic:mv_cable0',             'technic:rubber',         'technic:lv_cable0'},
+		{'technic:fine_gold_wire', 'technic:rubber',         'technic:doped_silicon_wafer'},
+		{'technic:mv_transformer', 'technic:machine_casing', 'technic:lv_transformer'},
+		{'technic:mv_cable',       'technic:rubber',         'technic:lv_cable'},
 	}
 })
 
diff --git a/technic/machines/switching_station.lua b/technic/machines/switching_station.lua
index d6f23a3..dda08e8 100644
--- a/technic/machines/switching_station.lua
+++ b/technic/machines/switching_station.lua
@@ -38,9 +38,9 @@ local S = technic.getter
 minetest.register_craft({
 	output = "technic:switching_station",
 	recipe = {
-		{"",                        "technic:lv_transformer", ""},
-		{"default:copper_ingot",    "technic:machine_casing", "default:copper_ingot"},
-		{"technic:lv_cable0",       "technic:lv_cable0",      "technic:lv_cable0"}
+		{"",                     "technic:lv_transformer", ""},
+		{"default:copper_ingot", "technic:machine_casing", "default:copper_ingot"},
+		{"technic:lv_cable",     "technic:lv_cable",       "technic:lv_cable"}
 	}
 })
 
@@ -49,14 +49,9 @@ minetest.register_node("technic:switching_station",{
 	tiles  = {"technic_water_mill_top_active.png", "technic_water_mill_top_active.png",
                   "technic_water_mill_top_active.png", "technic_water_mill_top_active.png",
 	          "technic_water_mill_top_active.png", "technic_water_mill_top_active.png"},
-	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2},
+	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_all_tiers=1},
+	connect_sides = {"bottom"},
 	sounds = default.node_sound_wood_defaults(),
-	drawtype = "nodebox",
-	paramtype = "light",
-	node_box = {
-		type = "fixed",
-		fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
-	},
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
 		meta:set_string("infotext", S("Switching Station"))