what amperage isolator switch required?

Jul 17, 2007 0 Replies

I have recently procured a 25m roll of 3-core 4mm2 armoured cable to connect to a IP65 garage ( 40A RCD incorporating 16A & 6A MCB ) consumer unit . Would either a 25A or 32A isolator switch suffice?


Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required