tripping

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  1. J

    C40 rcbo on ring main changes to b32 causing nuisance tripping

    Ring main was on a c40 rcbo so I tested the circuit everything was fine and dropped down onto a b32, It’s quite a long circuit but only serves about 10 sockets.The rcbo stays on but the client says trips frequently, I’ve been back and the rcbo stayed on the whole time, I then left and over the...
  2. S

    Shower circuit tripping

    Shower circuit (40a mcb 10mm cable 8.5kw shower ) tripping after 5 mins RESET trips after 2 mins...changed shower /cable /isolator still tripping I'm stumped
  3. J

    RCBO tripping issues

    Hi, I have just replaced an old rewireable fuseboard with a 10way consumer unit with rcbo's fitted. The issue i have is that when i connect one of the three lighting circuits it trips the other two lighting circuits together with one of the 32amp ring circuits!!! I thought borrowed neutrals at...
  4. S

    Air Source pump tripping RCD

    Keeping this brief.....................New dwelling.....TT system with 100mA S type rcd protected supply to local board with 30mA RCD. Freelance "engineer" to commission Heat-Pump, as original company disappeared before installation. ASHP worked for a while then tripped the 100mA RCD not the...
  5. C

    Help with a tripping washing machine

    Hi Guys, I'm having trouble diagnosing a fault on a customers downstairs socket ring, which only ever trips when the washing machine is used. The fuse board is an MEM Memera 2000 the downstairs ring is on a 32A 60898 MCB, protected by a 61008 RCD 100A 30mA there are 2 other circuits on the same...
  6. M

    The EC Fan keeps tripping the RCD

    Hi All, Weird matter happening here and I hope you can help! My 3 Pahse EC Fan is connected to a sensor and a controller for the temperature setpoint. A control panel to manage the EC Fan is in the room. EC Fan above faux ceiling. The panel has it's own MCB. The RCD is upstream, before the...
  7. C

    Sockets keep tripping

    Hi, I moved home a few months ago and the electrics RCD keep tripping. Sometimes it will happen every few days and sometimes will be fine for a few weeks before happening again. I have identified the problem is coming from the utility room sockets. When it has happened before I have unplugged...
  8. S

    Lights RCBO keeps tripping randomly

    I have an issue with a home lighting circuit 6A RCBO provides power to 13 bulbs which randomly keeps tripping, when I say randomly it keeps tripping with no switches or even bulbs being attached to the circuit. Even trips when other appliances that are not on that lighting circuit are not being...
  9. V

    Rats and tripping MCB

    Can i just check something. If a rat decides to chew a cable will it trip the MCB or RCD ? I ask because I had one house recently that had a randomly tripping MCB and it turned out to be a chewed cable. I was surprised as i would have thought it would trip the RCD but it never did. A chewed...
  10. electrical mt

    Main incomer tripping

    I was called in a block of office saying they have a problem with the main incomer. During the night nit all nights randomly the main switch in the switch gear is tripping. At night the offices are closed only the survers are running. Has anyone encountered this problem? Or what test you suggest?
  11. G

    Weird LED Downlight Tripping

    Hey all, hoping someone can help with a particularly annoying problem! Have changed a load of LED downlights to the fixed bulb Centorio type (14W, colour adjustable,dimmable with remote) and all 8 are fed from CBUS relay channel. The strange thing is, they work when first switched on, but then...
  12. 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...
  13. 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...
    • MHDguy
    • Thread
    • afci checked how to keeps outlet replaced replacement switches tripping
    • Replies: 2
    • Forum: DIY Electrical Advice
  14. archee

    UK RCD tripping when using loft socket.

    Afternoon all, I have an issue with the loft socket. When we moved the previous owners had a 2.5mm cable going up from the CU Via FCU however, the wiring was old and did not have earths(they cut them off). So I decided to completely rip out the old wiring including unnecessary spur and put...
  15. M

    RCD Tripping times question

    A few 30mA RCBO's that i have tested recently are tripping lower at x1 than they are at x5, e.g 13.1 x1 13.8 x5, I know both these results comply but im curious does any one know why the 1 times trip is lower than 5?
  16. 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...
  17. 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...
  18. 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...
  19. 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...
  20. N

    RCD Tripping when bypassing kitchen circuit straight from main fuse

    Ran a 4mm straight from main fuse removed busbar and put 4mm into bottom of breaker, RCD keeps tripping
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