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This is bonkers but I think the last person who posted hit the nail on the head. So after turning off the RCD I unscrewed the red switch (isolator) It was very tight inside, I could see that the earth (green and yellow) was screwed into the actual front panel of the switch. It seems that...

Dear all, Thanks for all your help so far .......... the mystery continues. I checked the shower today (tried the big red power switch) and it came on and stayed ON - hurray I thought until I tried to put one of the heating elements on ......... the RCD tripped. First I thought okay my...

That's exactly them. I have the first type (red switch with red light) outside the bathroom and the bottom type by all main fuse box in the house, it has a test button. Everytime I try to turn on the MCB the RCD trips. I did try to look for dodgy looking wiring inside the shower unit...

Davy, Cheers for the reply mate I THINK I mean the MCB. It is a large red switch that is the main power ON/OFF switch for the shower that is located in the hallway, it provides power only for the shower. No I havnt done any DIY that might have damaged the cables. I checked inside the...

Hi all, Looking for some advice here from people who know as I dont have a clue. I was in the shower the other day and it decided to stop working. I got out and the MCB was ON but the power (and light) was OFF I went down stairs and the RCD which only runs to the MCB had been...