Discuss Light switch sparking only when off in the UK Electrical Forum area at ElectriciansForums.net
What exactly is sparking? Does the light flicker when it is supposed to be off? Does anything trip? What kind of switch is fitted? Are there any other connections such as a neutral loop-through in the back box?
For the switch itself to arc when off, current must either be flowing through it, in which case the light will probably flicker on, or to earth or some other exposed metal, in which case an MCB or RCD in the consumer unit is likely to trip. In any case replacing the switch should have removed the fault.
Pics needed I think...
Does it have to be this switch that’s causing the issue as I’ve never touched this one but a couple of others in the same room have recently been moved. These other switches don’t turn the lights on that are flickeringAnother way to describe it might be that it's flickering all the time, caused by the Live and Switch wire shorting elsewhere, maybe in the cupboard maybe the cable in the wall.
BUT when the light switch is on and the light is on, it's masking the issue.
I said that in post #7 bobby dazzler ,lol.In the video it looks like the light is flashing in the background not the switch flashing
I said that in post #7 bobby dazzler ,lol.
Is the lamp an LED? The flashes could be due to capacitive coupling in the cable rather than a faulty switch. If it is an LED and you have an old filament lamp that will fit, you could try that to see if the flashing stops.Hi I’m looking for some advice on a sparking light switch. This is only happening when the light switch is off. When it’s on there is no problem and the lights work fine
I have changed the light switch but this hasn’t helped
wow did not know you looked like them trigger .lol.That is my dads nick name because everyone used to say he is a cross between Del Boy & David Dickinson
The video seemed to have a lot of arcing noises in it, suggesting the live and switch live wires are intermittently shorting.Is the lamp an LED? The flashes could be due to capacitive coupling in the cable rather than a faulty switch. If it is an LED and you have an old filament lamp that will fit, you could try that to see if the flashing stops.
Fair enough, should have had sound on.The video seemed to have a lot of arcing noises in it, suggesting the live and switch live wires are intermittently shorting.
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