E
edd_the_cat
Hi am new to the forum, am a industrial sparky with a need of some advice.
Have a problem with a lighting circuit in my flat, the circuit has 5 light fittings as well as a 12V lighting rail system in the living room. Three of the light fittings are working as required the other two and the lighting rails are not. I found one of the light pendants was a dead short across the fitting so I disconnected all but one of the light pendants, I cannot find the lighting rail transformer to disconnect it. At the Lighting rose of the pendant which I left connected, but which was not working, I got the following readings.
With no lamp in fitting.
P-N 125V
P-E 248V
N-E 55V
With lamp in fitting
P-N 59V
P-E 248V
N-E 175V which fades to 151V
I can see why the light fittings are not creating the potential across lamps which they need to function correctly, but I cannot find the fault that is supplying 55V through the neutral to earth when the lamp is out. Any help would be really greatly appreciated.
Have a problem with a lighting circuit in my flat, the circuit has 5 light fittings as well as a 12V lighting rail system in the living room. Three of the light fittings are working as required the other two and the lighting rails are not. I found one of the light pendants was a dead short across the fitting so I disconnected all but one of the light pendants, I cannot find the lighting rail transformer to disconnect it. At the Lighting rose of the pendant which I left connected, but which was not working, I got the following readings.
With no lamp in fitting.
P-N 125V
P-E 248V
N-E 55V
With lamp in fitting
P-N 59V
P-E 248V
N-E 175V which fades to 151V
I can see why the light fittings are not creating the potential across lamps which they need to function correctly, but I cannot find the fault that is supplying 55V through the neutral to earth when the lamp is out. Any help would be really greatly appreciated.