Wiring a security light

cress · 19 Apr 2010

I am just in the process of installing a security light from the spare way in my wylex dist board...

I have opened it up and im a bit concerned about the exposed cores from the meter tails, should i still attempt a new connection now i've got these exposed cores???

Thanks
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ColJack · 19 Apr 2010

no, don't mess with it..
remember that those wires are still live even with the CU turned off..

get a new CU..
and don't wire a security light from a 15A fuse / breaker.. unless you're using 2.5mm cable and a fused spur as the switch..

cress · 19 Apr 2010

Yes i am using 2.5mm to switch fuse spur with 3amp fuse and coming off that with 1.5mm to security lights...

Just wasn't expecting to see exposed cores on the LIVE meter tails, makes me not want to touch it now....

ColJack · 19 Apr 2010

it's the weight of the cables pulling itself down..
you could try ( carefully and preferably with the main fuse pulled, but that's a whole other set of risks ) pushing some slack up into the CU and then clipping the tails to the wall to support their weight..

ban-all-sheds · 19 Apr 2010

That's what those fuseboards are like.

You have 2 options if you don't like those accessible live parts:

1) Don't open it up.

2) Have it replaced with a modern CU.

#2 is a good idea anyway, as you've only got 4 circuits, and no RCD....

cress · 19 Apr 2010

I think I agree with thoughts of getting it modernised, and there was me thinking this was going to be a simple job...

Steve · 19 Apr 2010

Why is there a yellow core (from a r/y/b/e? cable) connected to earth?

cress · 19 Apr 2010

No idea, thats the lighting circuit...
First time i've opened it up was today, and the last...

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Wiring a security light

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