qdel and Destroy() improvements, now done through objects/items/devices

code/modules/power/cable.dm

@@ -90,6 +90,14 @@
 		if(powernet)
 			powernet.cut_cable(src)				// update the powernets
 	cable_list -= src
+	if(istype(attached))
+		attached.SetLuminosity(0)
+		attached.icon_state = "powersink0"
+		attached.mode = 0
+		processing_objects.Remove(attached)
+		attached.anchored = 0
+		attached.attached = null
+	attached = null
 	..()													// then go ahead and delete the cable
 
 /obj/structure/cable/hide(var/i)
@@ -623,4 +631,4 @@ obj/structure/cable/proc/cableColor(var/colorC)
 		else
 			user << "Nothing to fix!"
 	else
-		return ..()
+		return ..()