Originally Posted by
GCE
Hi Ians
We have been caught out twice looking for similar faults in a shower and to make it worse it was intermittent , so we thought.
When the shower doors/panels were installed they managed to get a screw to just touch the live in a piece of twin and earth coming from a light switch . The shower doors would go live at 220v when the bathroom light was switched on .We were there during the day and my guys never thought to switch the lights on.
Because the shower taps and drain etc were connected with pvc piping you only got a tingle and not the full 220v
When I took a earth from the socket in the room next door and tested to the frame work we found the 220v with the light on.
Has happened to me on two separate occasions , years apart.
When the water ran down the frame into the drain and connected with the sewer line it appeared that the voltage was coming from the floor drain which was also pvc
Worth a try using a earth from the sockets close by and switch on all lights , heated towel rails etc
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