Some of you may know this already but I'll post this anyway.
I've installed some GU10 LED fittings today to replace some normal GU10 fittings, first 40 or so went absolutely fine. Then in one bedroom, when the switch was off the lights would either dim down to about quarter brightness or start flashing, it looked like a disco at one stage. There were no dimmers on the circuit.
After some head scratching I found voltage across live / neutral so I was guessing some inducted voltage, in way I was right. It wasn't what I thought though (thought it was the switch line and neutral laying along side other cables), it turned out to be the switch circuit being 2-way and intermediate having induced voltage across the common and strappers.
Disconnected the 2-way circuit and all worked fine. I did even notice if you looked hard enough, if you had just one filament lamp on the circuit on its own the lamp slightly glowed, obviously with all lamps in this didn't happen.
One to keep in the back of your mind if doing a staicase type lighting circuit.
I've installed some GU10 LED fittings today to replace some normal GU10 fittings, first 40 or so went absolutely fine. Then in one bedroom, when the switch was off the lights would either dim down to about quarter brightness or start flashing, it looked like a disco at one stage. There were no dimmers on the circuit.
After some head scratching I found voltage across live / neutral so I was guessing some inducted voltage, in way I was right. It wasn't what I thought though (thought it was the switch line and neutral laying along side other cables), it turned out to be the switch circuit being 2-way and intermediate having induced voltage across the common and strappers.
Disconnected the 2-way circuit and all worked fine. I did even notice if you looked hard enough, if you had just one filament lamp on the circuit on its own the lamp slightly glowed, obviously with all lamps in this didn't happen.
One to keep in the back of your mind if doing a staicase type lighting circuit.
