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raydenl

99 posts

Master Geek


#201635 27-Aug-2016 17:05
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Hi

 

 

 

I'm attempting to change an outdoor light. I have done a few DIY jobs like this in the past, but this one is a bit trickier than those (for me) due to the number of other wires coming into the light fitting.

 

 

 

 

 

 

There's the 3 twisted pairs (red, black and blue), the blue is earth (as it was bolted to the metal casing). I assume the two red untwisted wires are from the switch?

 

They were in a terminal block, but I was stupid and removed the wires before writing down how they were wired :-/

 

The new light has a two wire terminal block (N & L), and is plastic so nothing to connect the earth wires too.

 

Can anyone provide any assistance?

 

 

 

Cheers

 

 


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raydenl

99 posts

Master Geek


  #1618401 27-Aug-2016 17:39
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Yea, sounds like this:

 

Some electrical installations may have lighting circuits wired where the cables running from the switchboard are connected at the light fitting and then looped between light fittings (known in the trade as 3-plate wiring), this means that live wires are always present at the light fitting rather than at the switches.

 

 

 

Thanks for the help guys!


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