diff --git a/init.lua b/init.lua
index d09930c..84f2ef1 100644
--- a/init.lua
+++ b/init.lua
@@ -117,6 +117,7 @@ dofile(MP.."/power/powerswitch.lua")
 dofile(MP.."/power/protection.lua")
 dofile(MP.."/power/power_line.lua")
 dofile(MP.."/power/ta4_cable.lua")
+dofile(MP.."/power/ta4_cable_wall_entry.lua")
 dofile(MP.."/power/laser.lua")
 
 -- Iron Age
diff --git a/power/ta4_cable.lua b/power/ta4_cable.lua
index 0abef4e..cbd2760 100644
--- a/power/ta4_cable.lua
+++ b/power/ta4_cable.lua
@@ -27,10 +27,16 @@ local Cable = tubelib2.Tube:new({
 	max_tube_length = ELE2_MAX_CABLE_LENGHT, 
 	show_infotext = false,
 	tube_type = "ele2",
-	primary_node_names = {"techage:ta4_power_cableS", "techage:ta4_power_cableA"},
+	primary_node_names = {"techage:ta4_power_cableS", "techage:ta4_power_cableA",
+		"techage:ta4_cable_wall_entry"},
 	secondary_node_names = {},
 	after_place_tube = function(pos, param2, tube_type, num_tubes)
-		minetest.swap_node(pos, {name = "techage:ta4_power_cable"..tube_type, param2 = param2})
+		local name = minetest.get_node(pos).name
+		if name == "techage:ta4_cable_wall_entry" then
+			minetest.swap_node(pos, {name = "techage:ta4_cable_wall_entry", param2 = param2})
+		else
+			minetest.swap_node(pos, {name = "techage:ta4_power_cable"..tube_type, param2 = param2})
+		end
 	end,
 })
 
@@ -143,7 +149,7 @@ minetest.register_node("techage:ta4_power_box", {
 	},
 	connects_to = {"techage:ta4_power_cableA", "techage:ta4_power_cableS", 
 		"techage:ta4_solar_inverter", "techage:ta4_solar_carrier",
-		"techage:ta4_solar_carrierB"},
+		"techage:ta4_solar_carrierB", "techage:ta4_cable_wall_entry"},
 
 	after_place_node = function(pos, placer, itemstack, pointed_thing)
 		Cable:after_place_node(pos)
diff --git a/power/ta4_cable_wall_entry.lua b/power/ta4_cable_wall_entry.lua
new file mode 100644
index 0000000..d83d3b7
--- /dev/null
+++ b/power/ta4_cable_wall_entry.lua
@@ -0,0 +1,57 @@
+--[[
+
+	TechAge
+	=======
+
+	Copyright (C) 2019-2020 Joachim Stolberg
+
+	AGPL v3
+	See LICENSE.txt for more information
+
+	TA4 cable wall entry
+
+]]--
+
+local S = techage.S
+
+local TA4_Cable = techage.TA4_Cable
+
+minetest.register_node("techage:ta4_cable_wall_entry", {
+	description = S("TA4 Cable Wall Entry"),
+	tiles = {
+		-- up, down, right, left, back, front
+		"basic_materials_concrete_block.png",
+		"basic_materials_concrete_block.png",
+		"basic_materials_concrete_block.png",
+		"basic_materials_concrete_block.png",
+		"basic_materials_concrete_block.png^techage_ta4_cable_hole.png",
+		"basic_materials_concrete_block.png^techage_ta4_cable_hole.png",
+	},
+
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if not TA4_Cable:after_place_tube(pos, placer, pointed_thing) then
+			minetest.remove_node(pos)
+			return true
+		end
+		return false
+	end,
+	
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
+		TA4_Cable:after_dig_tube(pos, oldnode)
+	end,
+	
+	paramtype2 = "facedir", -- important!
+	on_rotate = screwdriver.disallow, -- important!
+	groups = {crumbly = 2, cracky = 2, snappy = 2},
+	is_ground_content = false,
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_craft({
+	output = "techage:ta4_cable_wall_entry",
+	recipe = {
+		{"", "techage:ta4_power_cableS", ""},
+		{"", "basic_materials:concrete_block", ""},
+		{"", "",""},
+	},
+})
diff --git a/textures/techage_ta4_cable_hole.png b/textures/techage_ta4_cable_hole.png
new file mode 100644
index 0000000..f936c9c
Binary files /dev/null and b/textures/techage_ta4_cable_hole.png differ
diff --git a/textures/techage_tube_junction.png b/textures/techage_tube_junction.png
index b94402a..8d44956 100644
Binary files a/textures/techage_tube_junction.png and b/textures/techage_tube_junction.png differ