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I have an outside security light (50W) spurred off the ring main which is on a 32A rcd protected circuit, the thing is it is not on an FCU, just connected straight in. This install was done by registered electricians, my question is have they done it wrong and if so have they done it so wrong...

Hello, I don't plaster every day, but I have done a fair bit recently refurbishing my house, and I can now get a near perfect finish on plasterboard. But anytime I go over bonding or hardwall, I seem to get occasional small patches where little bubbles form in the finish that can only be dealt...

Hello, I have a dual RCD CU, one side of which tripped and wouldn't reset. I tracked the problem to the circuit which does the central heating pump etc and an immersion heater which is not normally used (fused switch is left off and gas central heating used instead) by disconnecting the...

Hi all, I have an old boiler which is beginning to break down a little too regularly, so I'm planning to have a new one fitted. The current boiler is wall mounted in the kitchen extension, vented straight out through the wall it's on, non-condensing. There's a hot water cylinder and pump in...

Hi, I have a few questions regarding when to use conduit, the regs and also best practice if that goes beyond the regs- Running some 1.5 and 2.5 T&E cable, are there any conduit requirements for the space between a plasterboard ceiling and the floorboards? (The 2.5s will be on RCBO circuits...

Hello, hopefully this is quite a straightforward question - basically I'm removing a 2' by 4' approx section of lathe and plaster sloped ceiling so I can sister a damaged rafter (penetrating damp, now cured) and I will be patching the hole with plasterboard fixed to the rafters. The plaster...

Hi all, hope you can shed some light on an odd problem a friend of mine is having. The CU is an older one from Hager, main switch and MCBs, no RCD, with an isolator switch before the CU. The CU was replaced a few years back (old one still had fuse wire) on the existing wiring, which must be...