Wiring a light with a loop help!

[Luke Davis]

There are 3 grey cable out of the celing, two contins a live, nutral and earth and the other an earth red and black.
The light only has a live, netural and earth so how should this be wired?
Without this wired together the upstairs part of the extention has no light so I guess theres a loop...

I tried Uniting the earth cables together, these being the green and green/yellow.
Uniting the live cables together, these being red and brown.
Uniting the neutral cables together, these being black and blue.
When I flick on the electric switch at the mains box it sparked and flicked off to which I had to change the light switch as well as it stuck on off? please help!



Photo at:
http://i1121.photobucket.com/albums/l516/ludavis1712/IMG00035-20110531-2153.jpg

 

[telectrix]

that's because one of the cables is a switch wire. the black is a switched live. isolate, split cables, meter on ohms. the red/black which goes to zero ohms when you flick the switch is the switch wire, you then have 3 reds into the centre terminal, the switch wire black into the lamp brown. the 2 remaining blacks into the lamp blue. the switch wire black should be sleeved red.

 

[telectrix]

sorry, just looke at the pic. seems you have the new colours as well. open the switch if it has red/black, that's the switch wire at the fitting. as my last post but substitute brown for red and blue for black.

 

[DurhamSparky]

please please dont keep messing about..! try the above method and if it does not work consider ringing a local spark and for £25 will have it sorted in no time and with out it been dangerous!