UK Adding an additional light to an existing electrical ring circuit

mrkent · Jan 21, 2023

I have a working circuit setup connecting the CU to a switch and light. I want to add an additional light to this circuit, do it use the Brown or Black as live. See images attached of existing termination and loop.

[ElectriciansForums.net] Adding an additional light to an existing electrical ring circuit

timhoward · Jan 21, 2023

Do you want your extra light to be separately switched or come on when that one is on?
Are the 3 wires taped up in the first picture new ones you have added?

The short answer is (with the power off) you need to see what (if anything) the brown wire is connected to at the switch.

The first picture (the existing light) looks as though you have a neutral (grey sleeved blue), a switched live (black sleeved brown) and a might-be-permanent-live (brown). But the function of the brown wire can't be verified from the photographs.

The 2nd picture appears to just be a junction box extending the cable.

brianmoooore · Jan 22, 2023

Is it a bathroom light, by any chance?

MJPD29 · Jan 22, 2023

Are they switching with the original light or switching separately?

nicebutdim · Jan 22, 2023

brianmoooore said:
Is it a bathroom light, by any chance?

Looks to be outdoors - possibly mounted on a fence.

brianmoooore · Jan 22, 2023

nicebutdim said:
Looks to be outdoors - possibly mounted on a fence.

Looks a bit rustic, for sure, but there's some weird interior design ideas around these days.

loz2754 · Jan 22, 2023

Outside lights not attached directly to the building are a special location according to BS7671 and should really be left to a professional, IMHO.

UK Adding an additional light to an existing electrical ring circuit

mrkent

timhoward

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brianmoooore

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MJPD29

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nicebutdim

brianmoooore

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loz2754

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