Author Topic: safest mains plug  (Read 17531 times)

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Offline Paul Moir

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Re: safest mains plug
« Reply #50 on: November 20, 2015, 06:37:05 am »
In the UK, as there's no aluminum (domestic or light commercial) wiring or back-stab terminals, and BS1363 socket terminals invariably use effective screw clamping, the risk of a broken ring is extremely low.

Aluminium wiring is also very rare in Canada.  It was only approved for a short while in the 70s and after that most people had it removed.  I've encountered it twice I think and both times it was removed upon discovery:  it's reputation is dismal combination of cheap, poor construction and thing-that-will-burn-your-house-down.   It's getting popular for service entrance wire again since copper has gotten expensive, but this would be at minimum #2 (6.5mm diameter) on the smallest modern installation.  That is to say, it's not what you run around the house.
It's been a while, but 'round here the inspectors made you redo your wiring if you used those back-stab connections.  Of course we have the advantage of Roberson screws which make using the back stab connections pointless.

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