Is there any way that fitting metal light switches to unearthed fittings can be safe? 70's house. Thanks?
Someone I know fitted some metal switches into my 70's house and didn't mention it to me. But we bought some more to go upstairs and on the packaginig it said "these switches must be earthed" but there is no earth wire as house built before these regs. Spoke to another electrician and he told me we shouldn't have metal switches as if something happened with the electrics the whole switch would become live. There is now a big argument about this - but I am pregnant and constantly worrying! Is this something that people just do anyway? What are the chances? Does the trip switch not step in to prevent anything happening? Also the guy that fitted them said it's fine people do it all the time and there is wooden casing around the wall holdings which earthes the switch. Any electricians please help! Thanks
Chance of something going faulty? . Low.
Chance of someone getting a fatal shock when it does go wrong?
Pretty high if you are well-earthed, pretty low if you are not. So don't operate the switch if you have your (metal, class 1) hairdryer in the other hand
Go & buy some plastic switches and get 'em changed back. A 5A circuit needs 25A to make it blow in 0.4secs. That ain't a tingle...
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BIC MINI LIGHTER WITH SILVER METAL CASE US $9.99
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