IEC60332-3 cable has a copper foil around the conductors, with a stranded drain wire running through it in contact with the foil.
With the drain wire earthed, could this be used for runs buried in a plastered wall less than 50mm from the surface without RCD protection?
With the drain wire earthed, could this be used for runs buried in a plastered wall less than 50mm from the surface without RCD protection?