Always feel a bit unsure about the Supplimentary Earth Bond in the bathroom.
Rad to h&c is 4mm I believe.
What is the minimum csa for Supp. Bond from 6mm shower cable to lights/fan?
Think it's 1.5mm but does anyone think different?
Rad to h&c is 4mm I believe.
What is the minimum csa for Supp. Bond from 6mm shower cable to lights/fan?
Think it's 1.5mm but does anyone think different?