tripping

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  1. W

    RCD's not tripping at all

    Hi all, Just done an EICR and all tested fine, until I got to the RCD's. It's a dual RCD board, not sure if it's TNCS or TNS as it's a top floor flat fed with T&E. The RCD's failed to test via the circuits and so I tried the test buttons and they didn't work either. Could it just be both RCD's...
  2. M

    AFCI keeps tripping - replaced outlet, checked switches - how to choose replacement?

    Our family room is part of an addition built a few years ago. We had an issue with nuisance tripping on an AFCI and the electrician came and replaced it saying the one we had was later found to be faulty. All was fine until I bought a new Denon receiver to replace an older Onkyo. I plugged the...
  3. M

    Homeline 50 Amp 2-Pole GFCI Circuit Breaker Tripping with tiny load

    Hello, I had an electrician install a 100Amp subpanel which feeds a mini split. I addition I added a Homeline 50A GFCI breaker to power a shed. I ran 80feet of 6/3 direct burial cable into a breaker panel in the shed. Here I tied the Neutral and Ground on the same bar. Neutral and ground are not...
  4. S

    Strange pool pump breaker tripping

    I have a 20 amp gfci pool pump breaker that trips only when the pump is off during the night. Pool pump runs fine all day. I turn pump off manually at night by using the manual switch on a Intermatic pool timer. Watch it for 5 minutes and note that breaker remains in on position. Go out in...
  5. GriffMG

    Pond Pump tripping new consumer unit RCD

    I have a fairly recently installed consumer unit with an RCD, between it and the garden there is another, much older (25yrs?) RCB (big Wylex thing) from which a couple of power points are provided on the wall of my fish ponds. Before the consumer unit was fitted I could run the pond pump from...
  6. S

    Puzzling tripping problem.

    My garden lighting was tripping my MCB so I checked all the junction boxes outside. I disconnected the live, neutral and earth connections in each junction box one by working away from the house and resetting the MCB until it tripped again. So, I’ve found it’s tripping when one box is...
  7. S

    GFCI for hot tub keeps tripping

    Hi, My hot tub keeps tripping after 12 years of use. I'm thinking it's the GFCI gone bad. Unfortunately it's a CH 2 pole 50 amp (GFTCB250) and they are on national backorder. The only options I can think of are to put a GFCI in the main panel (Sqaure D) and replace the GFCI at the disconnect...
  8. L

    Solar Inverter tripping occasionally at startup

    Hi all, My 3 month old grid tie inverter has tripped on 3 occasions at startup. Have read plenty of threads here about similar issues but unclear as to the fix. So for my setup the inverter goes to a separate mcb on a separate secondary consumer unit. There is rcd protection here and it does...
  9. R

    Zanussi double oven tripping the mains

    Hi, I bought my Zanussi ZCV663MWC cooker ten years ago, I replaced the top element four months ago and its been fine until now. When I turn the top oven on it heats up then after ten minutes it trips the mains. Also I have never used the bottom oven but when I turned it on it also tripped the...
  10. Tom the Elder

    AFCI nuisance tripping?

    An electrician I talked to said that AFCI breakers on old (1950s) wiring tend to experience a lot of nuisance tripping. I plan to install several GFCI receptacles. If I use AFCI/GFCI receptacles, are they likely to have the same problem?
  11. D

    LV fault tripping HV ring main unit

    Hi all, I have been on a site repairing damage caused by travellers collecting copper for the last week. We have found and replaced cabling to get the site up and running. Power has been on for a few days but today the 11KV ring main unit tripped. This feeds a transformer attached to the main...
  12. _KaCe_

    Trouble shoot why a ground fault circuit breaker keeps tripping.

    I installed outdoor lighting and outlets. I finished this past year. I passed my inspection on April 2022. I was so pleased, BUT now the circuit the outlets are on has a problem... the circuit keeps tripping. Question 1: I was wondering if there's a way to test the circuit breaker itself? Then...
    • _KaCe_
    • Thread
    • breaker circuit circuit breaker fault ground keeps testing tripping trouble
    • Replies: 3
    • Forum: DIY Electrical Advice
  13. K

    Alarm is Tripping New Consumer Unit

    Hello all I hope you are well. I had a new Alarm Panel installed in January and all was working well until I got a new Consumer Unit installed Last Week which has RCBOs. The previous Unit was just a Fuse Box. The Alarm Panel is on its own Circuit connected via a Fused Spur. The RCBO for the...
  14. SEGOVIA123

    Garage and House Circuits—problems with circuit breaker tripping in Garage

    Hi My main feed comes into the garage, feeds into the meter and then out to another box with a 60AMP fuse then into the house consumer unit. There are tails feeding the consumer unit in the garage, which up until recently didn't have any RCD protection. As part of a recent...
  15. weevilward

    Two RCBOs tripping together, no cross-connection. Need help…

    I was recently called to a domestic nuisance tripping job, dual-RCD Wylex board with one of the RCCBs tripping intermittently, mostly during the night. TNC-S, rewired couple of years ago (not by me). Three circuits on this RCCB: Cooker, Downstairs sockets, Downstairs lights (I know - dumb...
  16. 2

    Replaced breaker tripping

    Hi All, I have a 1950s rental house with a 100 amp main panel with a main shut off breaker. Breakers are Eaton/Cutler Hammer type, so the panel is not super old. It was also checked by the previous tenant (a professional electrician) just a few months ago, who said that the panel and...
  17. B

    Generator tripping when parallel generators taken offline

    Hi, Hope you’re keeping well. Currently have an issue onbaord with regards to one of generators tripping. The generator is capable of taking full load when running in parallel with other generators, but when power demand drops and they go offline the faulty generator will trip causing a...
  18. brongochungus

    Cooker circuit tripping out with no appliances on it. Not immediately tripping.

    Even if the cooker and the plug is turned off it still trips after about an hour. It doesn't immediately trip out but it usually always turns back off after an hour or two, it doesn't immediately trip out. Do you think I need a new plug? Can a device plugged into another circuit trip a different...
  19. W

    GFCI in Closet keep tripping, found it was tied to overhead lighting circuit. Normal?

    Hello all! Newer house, original owner(Florida). no change to electrical system. Just found there was an outlet (GFCI) in the closet so I wanted to put a paper shredder in there but it didn't work because the GFCI was tripped. Would not reset so I changed it out, new GFCI will not set either. IN...
    • Wryfox
    • Thread
    • circuit found gfci lighting lighting circuit normal overhead screwfix tripping
    • Replies: 2
    • Forum: UK Electrical Forum
  20. T

    Up front RCD tripping with sub main connected.

    Hello all I have recently installed a sub main in 4mm 3-core SWA, approx length 45 metres, to feed a small garden office. Final circuits in the cabin are protected by 30mA RCBOs and the supply is fed from a 32A MCB on the non-RCD side of the DB in the house. As the installation is TT I put in...

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