Recent content by Paul Mac

Did try finding new breakers and found they were old style. If I need to change them I'll just get the whole box done. Thanks.

Thanks Folks. I think the wood expanding & contracting maybe the answer. It happens more frequently in winter but perhaps just a couple of times a day. I'd thought of the heating pipes, radiators, the PVC door expanding/contracting & the plastic guttering outside. I'll remove the box as JohnD...

Arc lights - sadly not as ambitions LOL! The previous owner was enthusiastic with descriptions. It's just tubes up there but I'm getting ideas now!

Thanks for the replies. Pics below. I haven't done anything in the unit apart from checking the connections are ok. There's just one double light switch near it which operates two outside lights. I've isolated them and their circuits to rule them out. There's magnetic clips on the door the box...

Hi, thanks for the replies. There's no contactor in the unit, the house is small & detached. It's on an outside wall. No solar panels fitted thanks. It just seems a mystery. It's exactly the same noise as a breaker tripping or a light switch going on or off. I've ruled out as much...

Hi, I have a MK sentry unit approx 15 years old. Occasionally I hear a sound like a mcb tripping but none has. The sound is a single switching noise as you would hear if you switched off a mcb or the rcd. There's no buzzing or other sounds. No obvious faults, no overheating. No signs of arcing...