On Sat, 10 Nov 2018 18:43:54 -0000, DerbyBorn wrote:




It is a sensible question, do you not know the answer?


All permanantly wired devices need a point of local isolation.

I know they're meant to, but I've still not seen a sensible reason why. They can be isolated in the fusebox if you need to work on them. They can be switched off in normal operation by the controls on the unit.