if your insulating a wall that already has cables behined the plaster dose it derate the cable. what would u class it as, its not touching the insulation
if your insulating a wall that already has cables behined the plaster dose it derate the cable. what would u class it as, its not touching the insulationthanks
If not touching the insulation should not be a problem. Only time you need to derate if it is in contact with insulation or touching on one side like in a loft.