Hi everyone. Just wanted to make sure the wiring for my shower was safe before I started using it.
I have a 10.8kW shower fed with a 10mm^2 t&e. I have a 45A MCB in the CU, which in turn then goes inot a separate RCD also in the cupboard.
My original intention was to use 16mm tails to go between the CU and RCD and 10mm tail for the earth. However the largest cable I can get into the neutral at the CU is a 10mm tail.
I have now wired the RCD to the CU using 10mm tails and a 10mm earth (maybe overkill, but thats what I had).
I am assuming the 10mm tails will be ok? Also, what would be the recommended size to use for the earth?
thanks, Miguel