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lighting

Posted: Mon Mar 29, 2010 8:37 pm
by richie0202
Hi i want to put a light in my loft, i have put a junction box in there coming off bedroom light, but after wiring it up the light stays on permantly could you please advise.

Posted: Tue Mar 30, 2010 8:21 pm
by jackhawk
Hi,

Have you gone junc box, switch and light or junc box light and then switch?

1. Run cable from junc box to SW, put the incomming L in common and out going L to L1. Join the two Ns together in a block. The cable to the light goes L to light L (not loop) and N goes to light N.

2. Run cable from junc box to light. L in loop and N in N of light. With a second cable, connect L to loop in the light and connect the N (sleeved/taped) brown in L in the light. Run this cable back to SW in attic. L in common and (sleeved/taped brown) N in L1.

Same result both ways. Light will go on and off at SW.

Posted: Tue Mar 30, 2010 9:26 pm
by sparx
see under 'projects' at top of this page. electrical- adding a light. all in technicolour

Posted: Wed Mar 31, 2010 7:31 pm
by richie0202
[quote="jackhawk"]Hi,

Have you gone junc box, switch and light or junc box light and then switch?

1. Run cable from junc box to SW, put the incomming L in common and out going L to L1. Join the two Ns together in a block. The cable to the light goes L to light L (not loop) and N goes to light N.

2. Run cable from junc box to light. L in loop and N in N of light. With a second cable, connect L to loop in the light and connect the N (sleeved/taped) brown in L in the light. Run this cable back to SW in attic. L in common and (sleeved/taped brown) N in L1.

Same result both ways. Light will go on and off at SW.[/quote]



Thanks for that much apppreciated