Hi Folks, Just a quick question, is it normal to only be able to isolate your house sockets by switching the RCD off]
Someone here has a photo of a CU where that "error" was made.
If turning one MCB on with all the others turned off activates the sockets but turning the same MCB off with all the others turned on does not isolate it, it might be you have the two rings crossed.
Check which sockets each of the rings MCB (2nd and 3rd MCBs from right) turns on with all the others turned off.
What happens when you turn of both the kitchen and house sockets MCBs?
If turning one MCB on with all the others turned off activates the sockets but turning the same MCB off with all the others turned on does not isolate it, it might be you have the two rings crossed.
Check which sockets each of the rings MCB (2nd and 3rd MCBs from right) turns on with all the others turned off.
It turns on both with all others off and with all others on.
I would have thought that there would have been two seperate rings for ground and first floor. This is not the case.
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