trip

  1. E

    Load on non RCD side, causes RCD trip

    Hi Looking for advice on a intermittent fault. New dishwasher is causing RCD to trip (happened with two new dishwashers - supplier changed it for me). Thinking therefore it was an issue with the ring main, I plugged it into the cooker socket but it still trips at some point during the...
  2. C

    UK RCD adaptor issue

    I am seeking professional advice. I have no electrical qualifications. On the last 2 occasions I have cut my lawn the RCD adaptor did not trip BUT when I disconnected the mower the RCD was completely dead (ie would not reset nor test nor allow power to any device) . On the second occasion I...
  3. B

    Hot Tub GFCI troubleshooting

    I am the homeowner of a hot tub that's been working for well for 6 years. One day the water began to provide a shocking sensation which would prevent you from putting your finger fully into the water. I determined the shock was coming from a 12V light mounted in the tub whose water seal had...
  4. N

    Hi All, looking fo some support/ guidance with my solar PV causing my main CU RCD to trip randomly.

    First post on any kind of forum so please be gentle with me!! I moved into this house a couple of months ago and the vendor had a solar PV installed 5 years ago now. Recently I have had random tripping of my main RCD for what I believe to be a result of the Solar PV. I’ve attached a couple of...
  5. J

    RCD didn't trip when live conductors cut

    I recently cut through the live 240V power cable of a plane the tool is double insulated, the blade exposed and combined both conductors. The supply is protected by a 30ma RCD and 30Amp MCB (10 yera old installation), the RCD didn't trip, it does trip when the test button is pressed. Could it be...
  6. T

    Is what I've done any good/safe?

    Hi everyone, I've come here as a DIYer asking for professional advice/opinion. I have an 8.5KW shower on a 6mm cable and a 40amp MCB. The shower works fine........for about 8 minutes! It invariably trips out. Sometimes it lasts 6 minutes, sometimes it lasts 10. I was considering changing the...
  7. T

    Fusebox RCBO trip / ramp

    Fitting a new CU today (domestic TT) and using "Fusebox" for the first time - 14 way Type A RCBO board, 9 ways used 5 spare. All good until testing RCBO trip times - 7 test perfect, but 2 (both 6A) tripping during half test, 1 @ 0 the other @ 180. All loads disconnected, tested again, same...
  8. J

    Selecting which breaker trips first by trip curve

    Hello i'm in the EU and i will be getting 230v 40A service in my holiday house (previously was 3ph) My issue is that the mains come in at the pole just outside the property and i'm required to have a 40A breaker there (so far so good) The wire then comes to my house which is about 70 yards away...
  9. EastCoastPete

    Pool Pump intermittent RCBO trip

    Hello All, Am checking a fault on someone elses install which is about 18 months old. Customer says it starts and operates ok then he stops to take a break ( it's a small pool with pumped flow to swim against), then tries to restart and the RCBO goes. So, I know it's hot when it happens but...
  10. FatAlan

    The question is...are Wagos usable after at trip through the washing machine?

    As title. Based on wagos recovered from my washing machine. :)
  11. Z

    UK Kitchen socket trip switch keeps triggering RCD even when nothing is plugged in.

    Hello & Merry Christmas, Last week when waking up the lights and sockets in the bedrooms upstairs were off, along with the ground floor kitchen sockets. Flipping the RCD, and the trip switch for the kichen sockets and upstairs lights seemed to work fine - we have no new appliance installed or...
  12. S

    Havin random breaker fault issues with my home where random circuits trip breaker with no pattern .

    So bought my house in june . When i moved in I hooked ac window unit in my bedroom it tripped the afci breaker for that circuit so I temporarily ran extension cord from spare room to my bedroom to solve the issue . After a week i decided to try hook ac up normally again . Never tripped breaker...
  13. M

    RCBO trip.

    Got a large rewire ongoing at the minute. Owner wants to use current sockets alongside the new board as he’s living in one part of the house whilst the builders are in. Today the old supply was disconnected and whilst cutting through an old cable not connected to any of my new legs the RCBO...
  14. B

    Rcd trip times help

    Hi have 60947-2 Main Switch with added 61008 with settings for mA and mS, now come to test and it’s set on 300mA with delay of 0.5 so 500ms, now what I’m wanting to know is: 500ms is the maximum tripping time for a S type RCD, so what’s the point in having more settings as this has a variable...
  15. B

    RCD trip times

    Hi have 60947-2 Main Switch with added 61008 with settings for mA and mS, now come to test and it’s set on 300mA with delay of 0.5 so 500ms, now what I’m wanting to know is: 500ms is the maximum tripping time for a S type RCD, so what’s the point in having more settings as this has a variable...
  16. C

    RCD trip time

    What are the required RCD trip time requirements? And what do you typically see in the real world?
  17. M

    Lights trip rcd when switch is turned off

    Hi, ive came across a fault today, the house has been rewired a month back and I was called today because the rcd would trip when the bedroom switch was turned off, it would turn on and work fine but as soon as you switched it off it would trip out, there is a standard pendant and single pole...
  18. E

    Why would the Main breaker trip?

    I recently installed a photovoltaic solar system for a customer but there seems to be a problem with on of the breakers. Here is a bit of context: The panelboard is a 100A main/125A bus 3ph 480V. The sum of the breakers is 120A (30,30,30,15,15) and each breaker is connected to an inverter. What...
  19. B

    UK Oven trip MCB

    Hi all, I’m hoping someone will be able to give me some advice on my oven. Tonight I had both ovens on (as has been done on several occasions). When I went into the kitchen about 10 minutes later I noticed the oven was off and had tripped the 32Amp MCB. I reset it at the CU and it came back on...
  20. M

    Outside Lights trip RCD

    Hi All, I was wondering if anyone could help me with a recent problem I’ve had on a job. About 5 months ago I installed about 5 outdoor soffit lights from switch inside. All worked perfectly and customer was happy. I’ve recently been called back to the job as the outdoor lights have been...

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