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Just been to look at a job, spotlights(IP68) which are installed in slabs in back garden keep tripping RCD. Removed and found they are just connected using connector blocks and tape(didn't have a camera handy sorry). The junction boxes im after are the type which has some sort of silcone inside...

on a job a last week in the middle of nowhere, tested Ze on a PME before commencing work, reading was 0.42ohms. Phoned scottish power to report. They came out a few days later(after promising a response within 4 hours) and informed the customer that there was nothing wrong. What do i do now...

Have just purchased a d911 and a d412 kits. I was wondering if there was anyway of linking the 2 systems together so that either push button triggers both chime unts together. Thsnks in advance

Just a quick debate. I was comparing a couple of junction boxes today; an ashley 20A JB (black) and an M2 17th edition JB 5-30A rated. The terminals on the ashley were slightly bigger than the M2 and are much better quality terminals so how do M2 get away with rating theirs at 30A. 17th ed...

i've had this problem for a while now. There is always a sound as if there is a tap running somewhere in my house, i do not have a boiler only a immersion tank and there is no tank in the loft either. Any ideas thanks in advance

hi everyone. I'm putting in a new shower in my bathroom, i've put one of these onto the pipe work and i'm just wondering if it's on tight enough, it feels really tight wont go any tighter with the grips im using, any ideas, how much of the thread should be showing etc.

Just a quick question to all the self-employed sparks out there, i cannot answer this question as i am not self-employed. If you are an electrician from, let's say a small town. Someone from the same town then posts an electrical problem on this forum and is requesting advice. What would you...

Wondering if anyone knows what is the exact amount of current a 1.5mm 2c SWA cable will carry, burried underground, distance is 10metres

Just a quick question. Does anybody know if BASEC has its own BS no. or do they just stamp the cable??

I've just installed an outside supply using 10mm 3core swa cable supplied by a 32A 30mA RCBO. Trips at around 12ms on 1x (cant remember exact reading), 27mA on ramp and >40ms on 5x which does not comply. The run of the supply cable is about 40-50 metres. I have tried 3 different RCBO's on the...

Hi there Something that i've been racking brains for is why is there a cpc connected to an RCBO. I have been told it is for functional purposes but why, an RCCB doesn't have one and trips when T is pushed. When i left the cpc disconnected and pushed T on the RCBO it also tripped, i connected...