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Topic Title: Emergency lighting fittings - correct terminology
Topic Summary: A difficulty in knowing what wiring is needed for an emergency lighting fitting.
Created On: 28 April 2010 07:44 PM
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 28 April 2010 07:44 PM
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HarryJMacdonald

Posts: 262
Joined: 15 May 2002

I need to do a like for like replacement of a simple bulkhead emergency light fitting, The existing one is usually off but can be switched on, the wiring consists of unswitched live, switched live, neutral and earth.

When I go to the shop I am given the alternative of a maintained or a non maintained fitting. The maintained fitting is advertised as having the option of being switched but when I look inside, I find that the required wiring is live, neutral, earth and 2 wires to the switch, presumably because the switch circuit operates at a different voltage.

Is there any way of knowing from the technical description whether the fitting requires a single switched live or a 2 wire circuit to the switch?
 28 April 2010 07:56 PM
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westonpa

Posts: 1771
Joined: 10 October 2007

Good question for the 'wiring and regulations' forum.....where I am sure you will receive a correct and quick answer.

Regards.
 30 April 2010 11:16 AM
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HarryJMacdonald

Posts: 262
Joined: 15 May 2002

Now posted in the wiring and regs forum - thanks
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