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  1. RogerC

    Trip problem.

    Modern ext attached to old redbrick. Kitchen circuit won't stay on. New trip fitted, all appliances unplugged, all sockets removed and de-wired. Still trips, remove circuit earth from common earth strip. It does not trip. Old style red and black cable on one wall but not sure where the builders...
  2. K

    RCCD tripping but subsequently found the problem

    I am diyer retired mecahical engineer so not a sparkie. My son/gf bought a portable A/C a few weeks back due to the heat. It was bought from a reputable supplier. Called me today did I have any fuses. Yes I have spare fuses, why do you want a fuse. The A/C keeps tripping out the flat. Explained...
  3. S

    MCB Tripping Issues During PC Startup – Inrush Current Problem?

    Hello All, I’m facing an issue with MCBs tripping during computer startup and would appreciate your technical insights. Here are the details: Case 1: We have a sub-circuit MCB C32 supplying power to 8 desktop PCs. Occasionally, the breaker trips immediately after startup. Case 2: At...
  4. S

    Vent axia VA100XHT humidistat problem

    Hello there good people.Having problems again with my bathroom fan.Just over a year old too.The humidistat seems very temperamental.Im always adjusting it up and down to no happy medium and recently it just won't go off. What I'm wondering is can I somehow bypass the humidistat and just have it...
  5. V

    My outlet is on two circuits at once...

    I have an ancient home with knob and tube wiring, and a breaker box from the 70s. It's all a mess, with circuits powering random things on opposite ends of the house. The breaker box has breakers with multiple wires spliced or coming out of the stud and all the neutral studs are overloaded with...
  6. F

    Auto-electrical problem

    Dear all, Just wondered if anyone could solve this puzzle: Today I changed the headlight bulb on my car. It all worked fine when fitted, but then - When I took the ignition key out I noticed the headlights stayed on (I've had the car 10 years - they only work with the ignition key in). I...
  7. C

    Thermostat Problem

    Is this as far as I can take this post Thermostat Problem | on ElectriciansForums - https://www.electriciansforums.net/threads/thermostat-problem.215331/ I have no intention of doing any electrical work myself.
  8. newfutile

    Hagar AFDD problem

    we have had installed some Hagar ARM932U Arc Fault Detection Device in one of our care homes. they had reported tripping issues , so i tried to do an (RCD) Residual Current Device test. it wont trip at any current. looking it up it seems they are not also an rcbo . if so whats the point of them...
  9. A

    I've got a problem with the wiring 😭 shorting

    I've got a problem with the wiring 😭 for some reason I've got no break lights they stay on and only when the headlights are on and I have no Parker's but if I put the Parker's on and put my foot on the brake they come on but as soon as a take my foot off they turn off and now I've got a...
  10. L

    Turn signal problem

    My car a highly modified 1951 Studebaker, which was professionally wired (but with some issues I had to fix) now has a problem with the turn indicators. They had been working normally until recently. Now they work just fine as long as the head lights ae off. As soon as the headlights or...
  11. A

    Insulation resistance problem

    Hi all, Stuck on another job here IR testing. It's a simple 3 bed semi and after short put L-N at board and testing to earth, I'm getting 0.16 Mohms. I've disconnected main incoming neutral, no surge protection of any kind in the house, I've taken out all lamps and plugged out anything I...
  12. S

    Appliance power problem

    Hi all, I have a garage door opener that is acting a bit weird and was hoping someone might be able to shed some light on why this is happening? Liftmaster garage door opener has a power board(WZA27289) that supplies power to the transformer. The problem is that sometimes when it is plugged...
  13. littlespark

    Little problem here. RCD…

    Doing a kitchen job for my daughter’s music teacher, who also happens to have been in my wife’s class at school. Nothing big… just a little alteration to sockets, and run in a new cable for a built in oven. Original cooker point being used for hob. I hadn’t looked inside the board… just noted...
  14. H

    Bizarre problem with PIR floodlight: how to diagnose

    I have a baffling problem with a newly-installed PIR floodlight and I'd like advice from the forum as to whether it's defective (and should be replaced) or if I've done something wrong. Background My new house (2008) had six old-school halogen PIR-operated floodlights all round; only one of...
  15. F

    Problem with Mitsu inverter PI-controller

    Hello everyone. I have a inverter configuration problem I thought someone here might be able to help with. I'm not looking for a specific solution for my inverter in question, but rather if anyone has encountered this problem and has generic parameter advice to give. I'm using a Mitsubishi...
  16. B

    Loft Aerial Problem.

    I have lost the use of my two loft TV aerials due to interference from the installation of foil backed dense foam insulation. I guess this is caused by signal reflection. Would any know of a solution to enable me to bring the aerials back into use. I know the obvious solution is to erect them...
  17. E

    Problem with bathroom extractor fan

    Hi, my niece lives in a flat and has a bathroom without a window. There is an extractor fan which packed up and an electrician installed a new one a few weeks ago. That then blew and he came back and said that the extractor wasn't fit for purpose as it is wasn't powerful enough to get rid of all...
  18. C

    What's the problem?

    Hello, The CUR6330a keeps tripping, even when no sockets are turned on. The issue is the "sockets" switch though - it's the "sockets" switch that trips the CUR6330a switch. A few weeks ago, I had this problem but I thought I had found the faulty socket and the problem was somewhat resolved (by...
  19. M

    out of this world problem

    Hi All, Would be grateful for some advice. Would like to add an additional light (Undercabinet 8W LED Batten light) to a two-way light switch circuit. The attached photo shows the existing switch back and wiring, the right-hand side shows a switch that turns on and off the centre ceiling light...
  20. J

    3 phase problem after spark did 5 year safety inspection

    Hi lads 5 year safety inspection the spark put the tails back and later line 2 of the 3 phase blew blowing the box off the wall and taking out the main fuse on the same line into the building can you all just say quickly what you think the spark may have done wrong ? Cheers

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