Sam
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Registered: 24th Dec 99
Location: West Midlands
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Or brushed silver or whatever they are, I understand they have to be earthed is that correct?
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John
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Registered: 30th Jun 03
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Yes, any exposed metal will be earthed.
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Daniel_Corsa
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Registered: 21st Apr 04
Location: Wigton, Cumbria
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Backbox will be earthed, light switches don't have to be.
Just done ours in black nickel.
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John
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Registered: 30th Jun 03
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What if it's a plastic backbox?
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whitter45
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Registered: 15th Nov 02
Location: Norton
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they will have an earth connection
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Daniel_Corsa
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Registered: 21st Apr 04
Location: Wigton, Cumbria
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They all have an earth point, but if you have metal bac boxes they should be earthed. Therefore won't require an earth.
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Sam
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Registered: 24th Dec 99
Location: West Midlands
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So what do you earth the metal backbox to? An earth wire coming from the roof or whatever?
I'm just thinking in terms of shitty 60s wiring that doesn't have anything in the way of earthing...
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ash_corsa
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Registered: 15th Apr 04
Location: Shrewsbury
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The faceplate of the switch or socket needs to be earthed (i.e have an earthing conductor attached) relying on the continuity of the backbox through the face pins is NOT sufficient and non-compliant.
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ash_corsa
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Registered: 15th Apr 04
Location: Shrewsbury
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quote:
Originally posted by Sam
So what do you earth the metal backbox to? An earth wire coming from the roof or whatever?
I'm just thinking in terms of shitty 60s wiring that doesn't have anything in the way of earthing...
If your lighting circuit has no CPC (earth wire) you are NOT allowed to fit metal accessories (including light switches and light fittings).
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Gary
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Registered: 22nd Nov 06
Location: West Yorkshire
User status: Offline
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quote:
Originally posted by Sam
So what do you earth the metal backbox to? An earth wire coming from the roof or whatever?
The screws on the socket/switch are connected to the earth on the socket/switch back, then the backbox is earthed via the screw.
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