hi hope somebody can help i took down the ceiling rose to decorate noted on paper where each lead went ie switched neutral to live, reds to centre three connectors, neutral to neutral but now light won\\\'t work please please help me ! 
ceiling rose in bedroom
- Thread starter andrewh
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For reference, you can identify the switch cable when you have 3 cables at a light without a meter by carrying out the following:
1. Turn the power off
2. Connect all earths together.
3. With the light switch in the off position connected any two cables together red to red - black to black or if you have the new colours blue to blue - brown to brown.
4. Turn the power back on and check around the house to see if all other lights work. If they do then the spare cable is the switch cable. If they don't then turn the power off and repeat the above using the spare cable and one of the others.
5. Repeat the above until you have all the lights in the house working and one spare cable which will be the cable to the switch.
To make identification easy at second fix some sparks used grey 1.0mm for the switch wire and white 1.5mm for the feeds so that would be a good starting point when
1. Turn the power off
2. Connect all earths together.
3. With the light switch in the off position connected any two cables together red to red - black to black or if you have the new colours blue to blue - brown to brown.
4. Turn the power back on and check around the house to see if all other lights work. If they do then the spare cable is the switch cable. If they don't then turn the power off and repeat the above using the spare cable and one of the others.
5. Repeat the above until you have all the lights in the house working and one spare cable which will be the cable to the switch.
To make identification easy at second fix some sparks used grey 1.0mm for the switch wire and white 1.5mm for the feeds so that would be a good starting point when
When you sorted out which cable is which wire as follows
//www.diynot.com/forums/viewtopic.php?t=7553&postdays=0&postorder=asc&start=45
//www.diynot.com/forums/viewtopic.php?t=7553&postdays=0&postorder=asc&start=45
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