diff --git a/sparkcore/cable.lua b/sparkcore/cable.lua
index 91d033a..0ade076 100644
--- a/sparkcore/cable.lua
+++ b/sparkcore/cable.lua
@@ -3,7 +3,7 @@ minetest.register_node(minetest.get_current_modname() ..":cable", {
   tiles = {"cable.png"},
   drawtype = "nodebox",
   paramtype = "light",
-  connects_to = {"group:sparktech_energy_conductor"},
+  connects_to = {"group:sparktech_net_trigger"},
   node_box = {
     type = "connected",
     fixed = {-0.2, -0.2, -0.2, 0.2, 0.2, 0.2},
@@ -16,6 +16,5 @@ minetest.register_node(minetest.get_current_modname() ..":cable", {
   },
   groups = {
     sparktech_techy = 1,
-    sparktech_net_passive = 1,
-    sparktech_energy_conductor = 1,}
+    sparktech_net_passive = 1,}
 })
diff --git a/sparkfurnace/metalfurnace.lua b/sparkfurnace/metalfurnace.lua
index 5335e59..6d00212 100644
--- a/sparkfurnace/metalfurnace.lua
+++ b/sparkfurnace/metalfurnace.lua
@@ -68,7 +68,7 @@ minetest.register_node(minetest.get_current_modname() .. ":lv_furnace", {
   },
   paramtype2 = "facedir",
   groups = { sparktech_techy = 1,
-    sparktech_energy_conductor = 1,
+    sparktech_net_trigger = 1,
     sparktech_energy_max = 300,
     spark_energy_timer = 2},
 
diff --git a/sparkgenerators/burnergenerator.lua b/sparkgenerators/burnergenerator.lua
index 6d39f72..7d4fe5e 100644
--- a/sparkgenerators/burnergenerator.lua
+++ b/sparkgenerators/burnergenerator.lua
@@ -20,7 +20,7 @@ minetest.register_node(minetest.get_current_modname() .. ":burnergenerator", {
   paramtype2 = "facedir",
   groups = {
     sparktech_techy = 1,
-    sparktech_net_trigger,
+    sparktech_net_trigger = 1,
     sparktech_energy_max = 10000
   },
   on_construct = function(pos)
diff --git a/sparkgenerators/solar.lua b/sparkgenerators/solar.lua
index f73e93d..b4cc4f8 100644
--- a/sparkgenerators/solar.lua
+++ b/sparkgenerators/solar.lua
@@ -14,7 +14,7 @@ minetest.register_node(minetest.get_current_modname() .. ":solar", {
   },
   groups = {
     sparktech_techy = 1,
-    sparktech_net_trigger,
+    sparktech_net_trigger = 1,
     sparktech_energy_max = 50
   }
 })