wiring a new light


Postby darlo ray » Wed Oct 29, 2008 6:14 pm

1st time on here so not sure where to look
ive been wanting to get around to putting a new light up in the bedroom,and when ive taken the really old one down some how the wires got mixed up.
today ive gone in the attic and traced it back to which ones are which. the new light has a block with the 3 terminals L,N,E the problem ive got is, ive got 3 cables (9wires),one goes to the light in the next bedroom,one goes to the light switch and im guessing the other goes to the mains.
what i want to know is which ones go into the new light and which ones if any get connected by a block etc.
mixing the wires up slowed up a simple job but im hoping someone can help
cheers
ray
darlo ray
Posts: 2
Joined: Wed Oct 29, 2008 6:04 pm

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Postby ericmark » Thu Oct 30, 2008 9:12 am

You need a 4 terminal block not 3.
Earth all earth wires.
Line all red (brown in new houses) in most cases.
Switched normally a black wire with red sleeve but may be red.
Neutral All black except for switched wire.
So the Line will have three wires supply in, supply to next lamp and supply to switch and does not connect to new lamp.
The return from switch normally black with red sleeve although may be red if twin reds in switch cable will go to brown line connection on lamp.
The blacks with exception of switch wire so two will go together and connect with blue neutral wire of new lamp.
Earths all together of course.
Does that help Eric
ericmark


Postby darlo ray » Thu Oct 30, 2008 11:17 am

even though the new light only has a block on it with live neutral and earth on it,can it be done.and have another block seperate to join the ones not going to the light. all wires are live(red) neutral(black) earth(green/yellow)

lets say the cable to the mains is number 1
to the next light number 2
from the light switch number 3.
if you can explain by saying place live from number one to here etc.
it would make it easier where to place each cable
thanks for reply
ray
darlo ray
Posts: 2
Joined: Wed Oct 29, 2008 6:04 pm


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