Outside Lighting Circuit Tripping

jvanhoof · 28 Mar 2005

I have set up a lighting circuit outside using 1mm cables, I have added a switch indoors and also wired it into the consumer unit under the lighting fuse for downstairs.

When I flick the switch, the consumer trip blows, so I have disconnected all the lights except the first one, I can have the circuit on if I do not have a bulb in place, but if I add a bulb it blows the trip again...

Can anyone help please... I have checked the voltage at the bulb and there is 240v ... help !!

Thanks

felix · 28 Mar 2005

What kind of bulb is it?

jvanhoof · 28 Mar 2005

It is a 60w normal pearl bulb, I have tried 3 different bulbs and also a seperate light fitting, so the light and bulb do not have any problems...

felix · 28 Mar 2005

When I flick the switch, the consumer trip blows

Would this be the lighting circuit fuse or the main switch? If it's the main switch is this a plain isolator or an RCD? (Look for a test button.) An earth/neutral fault on your new wiring could trip an RCD.

jvanhoof · 28 Mar 2005

Would this be the lighting circuit fuse or the main switch?

This is a lighting circuit fuse which is connected to the bus after the RCD... the circuit does not blow the lighting fuse, but does blow the RCD.

If it's the main switch is this a plain isolator or an RCD?

RCD

An earth/neutral fault on your new wiring could trip an RCD.

I have checked the earths and cannot find anything wrong...

breezer · 28 Mar 2005

if its tripping the rcd it must be a neutral / earth short.

i suggest you take apart anything "just added" and see if you havre trapped a wire

Adam_151 · 28 Mar 2005

50p says he has connected the neutral to the wrong neutral block...

jvanhoof · 28 Mar 2005

Yes... Yes ... Thanks Adam_151 ... you are right, I knew it was simple... I was killing myself for this one...

Thanks...

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Outside Lighting Circuit Tripping

breezer

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