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 Post subject: Re: switches in kitchen
PostPosted: Tue Oct 10, 2017 2:35 pm 
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OnlyMe wrote:
ericmark wrote:
What you need to consider before you start is are you happy doing the inspection and testing? If not then get an electrician.


Good God he is only wanting to swap a few switches!

I have seen where some one tried to work on a grid switch and one of the cables came off as he was replacing it, this resulted in the feed dropping from a 5 mm at 40 amp SWL to 2.5 mm at 20 amp SWL, however he had measured the loop impedance before starting and when he measured on completing it was clear there was something wrong because of the huge raise in the L - N loop impedance, so removed fault corrected and replaced.

I know you could do same with a socket on a ring final, however sockets are not normally that tight there are a lot less wires so risk is a lot lower.


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