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Wannabe Geek

Topic # 83036 9-May-2011 17:06
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i need to replace a light which the old bayonet has broken. The cable has 2 wires (red and black), these are not multi strand (like new cables),  the bayonet has 4 connection ports (one labelled green - for earth presumably, and the other 'L') -

Can anyone advise where the cables go into the bayonet?

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  Reply # 467223 9-May-2011 18:30
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Black wire is the negative wire and the red wire is the positive wire. It shouldn't which port you put it into as long as you don't put it into the 'L' or 'green' ports.

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  Reply # 467230 9-May-2011 18:36
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Maybe you should get someone a little more qualified to do it....
... there ain't no 'positive' or 'negative' in AC home wiring.


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  Reply # 467276 9-May-2011 19:53
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L is the loop connection point.

I you don't understand what you're doing call an electrician. While some DIY wiring is allowed in NZ you should fully understand the implications if you do something stupid like burn your house down!


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  Reply # 467489 10-May-2011 12:09
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oxnsox: Maybe you should get someone a little more qualified to do it....
... there ain't no 'positive' or 'negative' in AC home wiring.

Yes, but just to clarify, there is a 'phase' and a 'neutral'. Phase is always switched, neutral is not. The biggest lurking danger in home handyman wiring is someone who gets it the wrong way around and inadvertently creates a live neutral.

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  Reply # 467496 10-May-2011 12:17
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But in a simple light fitting, it doesn't matter. Wire it up with nothing in the L or the Earth.

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  Reply # 467512 10-May-2011 12:40
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The new fitting wouldn't have an earth terminal unless it was required to be earthed.

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