diff --git a/technic/machines/register/battery_box.lua b/technic/machines/register/battery_box.lua
index 86f340f..6fe5574 100644
--- a/technic/machines/register/battery_box.lua
+++ b/technic/machines/register/battery_box.lua
@@ -192,10 +192,10 @@ function technic.register_battery_box(data)
 	end
 
 	local run = function(pos, node)
-		local below = minetest.get_node({x=pos.x, y=pos.y-1, z=pos.z})
-		local meta           = minetest.get_meta(pos)
+		local meta = minetest.get_meta(pos)
+		local network_id = tonumber(meta:get_string(tier.."_network"), 16)
 
-		if not technic.is_tier_cable(below.name, tier) then
+		if not technic.networks[network_id] then
 			meta:set_string("infotext", S("%s Battery Box Has No Network"):format(tier))
 			return
 		end
diff --git a/technic/machines/register/cables.lua b/technic/machines/register/cables.lua
index b0a94d1..139a395 100644
--- a/technic/machines/register/cables.lua
+++ b/technic/machines/register/cables.lua
@@ -69,7 +69,7 @@ local function clear_networks(pos)
 				elseif technic.machines[tier][node.name] then
 					-- Found a machine
 					local eu_type = technic.machines[tier][node.name]
-					meta:set_string(tier.."_network", minetest.pos_to_string(sw_pos))
+					meta:set_string(tier.."_network", string.format("%X", network_id))
 					if     eu_type == technic.producer then
 						table.insert(network.PR_nodes, pos)
 					elseif eu_type == technic.receiver then
diff --git a/technic/machines/switching_station.lua b/technic/machines/switching_station.lua
index 84d9a43..907a6d1 100644
--- a/technic/machines/switching_station.lua
+++ b/technic/machines/switching_station.lua
@@ -133,7 +133,8 @@ local check_node_subp = function(network, pos, machines, sw_pos, from_below, net
 
 	--dprint(name.." is a "..machines[name])
 	local meta = minetest.get_meta(pos)
-	meta:set_string(network.tier.."_network", minetest.pos_to_string(sw_pos))
+	-- Normal tostring() does not have enough precision, neither does meta:set_int()
+	meta:set_string(network.tier.."_network", string.format("%X", network_id))
 
 	if     eu_type == technic.producer then
 		add_network_node(network.PR_nodes, pos, network_id)