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rcd tripping

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  1. D

    why is this RCD tripping?

    Went to a job today to try and rectify a fault on a ring circuit. I visited the property some time ago and noticed the main ring was not RCD protected on a 17th ed high integrity board that had been very recently installed. I assumed a fault was present. No paperwork... I disconnected all...
  2. Q

    RCD Tripping on AMF switch-over to generator supply

    Hi, I'm looking for some help and hoping I might find it here. I am a house owner with a 10Kva stand-by generator (40Amp / single phase). I had the generator professionally installed by my local electrician but I supplied the Automatic Mains Failure switch and generator. The set-up works...
  3. dlt27

    RCD Tripping.....

    Can anybody help... Went to a job Friday where apparently RCD is coming out once every couple of nights. The rcd covers 4 circuits which are sockets, sockets, heating and outdoor shed. I have carried out a blanket test and I am getting a reading of about 20M This is with loads conncted apart...
  4. C

    RCD tripping Continuity test

    Hi, am doing a continuity test on living room light, downstairs MCB off, last light in circuit, incoming to light disconnected, disconnect switch twin and earth, cross connected Earth and neutral in switch, did a continuity test at light and the RCD trips. Any help appreciated, only thing I...
  5. B

    Econometer fitting and RCD tripping or not.

    Two things. A man from British Gas came to fit an economiser to my house yesterday. Surprised to see that he used a plug tester to "prove" isolation when pulling the sealed fuse and that he, although presumably not an electrician (he did the gas as well) was authorised to re-seal. If he is ok to...
  6. D

    Occasional rcd tripping with microwave.

    Hi folks. Called out to micro tripping rcd occasionally. Customer bought new micro, but that is doing the same. I said, get the new one replaced ...just in case, which he did. Still the same. Only ever happens with the micro Tested rcd and n-e, l-e, rcd testing ok on 0.5, 1X and 5X. Cant...
  7. G

    RCD tripping problems

    Hello all, I'm having a problem with a nuisance tripping RCD, ran an RCD test on a board and results showed that RCD was knackered, swapped this out for new and tester again failed to trip the RCD, however customer is telling me of nuisance tripping 6-7 times a day whenever they try to use an...
  8. S

    Intermittent Rcd Tripping

    Hi guys, i attended a property on friday the tenant has stated the rcd is tripping at intervals of 45-60 mins, i separated the ring legs and upon testing i was getting a reading of 0.60Mohms between Line-cpc on one end of the cable with all loads disconnected, i have never come across this fault...
  9. S

    RCD tripping even with all switches and bulbs removed.

    Hello all. A customer replaced a dimmer on his lighting circuit, ever since then the RCD keeps tripping and he called me. I have now removed ALL switches (one at a time) and light bulbs however it is still tripping. Using a Wander lead I got readings from the L, N, and E from the CU to the...
  10. R

    RCD tripping, but with no fault

    Morning All I was called to a property the other day. Dual RCD board. One of the RCD's is tripping most mornings between 4am - 6am. Check the board, only 4 circuits connected to that RCD, 1 socket circuit (upstairs sockets), 1 lighting circuit, smoke alarm circuit and outbuildings supply...
  11. B

    New DB instal in my house and rcd tripping please help

    Hi all I'mhaving trouble with a new instal its a spilt board 10 way DB first half of the board has down stairs lights upstairs sockets boiler second half kitchen upstairs lights and down stairs socket The problem im having is the downstairs light in the hall is tripping the both rcd when...
  12. D

    Three phase RCD tripping

    Hi Folks, I have a question about a property in Spain and its power supply I think I have messed up with my electrical company and asked them to supply me with a lower potential than I require. The house did have a 12,000 KW supply, I asked for a night rate and in order to get this I had to...
  13. M

    RCD Tripping

    9 LED outside garden lights protected by RCD. Originally the client asked me to investigate outside lights as when he switched them on RCD tripped immediately . On investigation found previous Halogen fitting past sell by date most full of water and corroded. Client agreed to have all replaced...
  14. D

    3 phase rcd tripping

    Hey just a quick one, The factory I work at have built a new maintenance shed, and each work station has a 3 phase outlet rcd protected. Now, my problem is every time I make up a board which contains contactors it trips the rcd.. Is this due to some sort of balance issue? Can some one clear...
  15. M

    RCD tripping

    Hi All I have a prob i hope someone has come across clients RCD is tripping at odd times. Doest seem to be any pattern or any specific piece of equipment causing it. Not one particular circuit either...trips on downstairs ring, upstairs ring, lightings ...you name it. Wont reset until all mcbs...
  16. S

    RCD Tripping

    Circuit: - 17th edition board with 30mA RCD Pond pump circuit is a 16A MCB feeding double pole FCU with 3A fuse, this feed an electronic immersion heater timer, this is connected to a pond pump/filter unit via SWA. Problem: - RCD trips every time the pump switches OFF What is connected to RCD...
  17. K

    RCD tripping at half the rating ?

    Hello, i was doing an RCD test yesterday on half its rating, and the rcd kept tripping everytime, does this mean the RCD is faulty?
  18. D

    Economy 7 RCD tripping.

    Hi Guys, An elderly customer has just moved into her new flat, unfortunately her heating on E7 doesn't work. The E7 dist board RCD is tripping (probably as it kicks in). She has two boards, one normal and one E7. The E7 board is feeding three night storage heaters and an immersion heater. All...
  19. A

    RCD Tripping from Power Saw

    Hi All, I have a 2400w power saw on 230v which is tripping after about 0.3 seconds. It is running of a 16A RCD with no other devices on the circuit. Could this be caused by a high current demand at the start up or is it more likely to be something else? My calculations reckon that it should...
  20. C

    RCD Tripping

    hi i have an old customer who's pv installation is tripping out when raining/wet. 16 x 245w Sharp panels with a Power-One PVI-3.6 TL inverter. The inverter is showing a current leakage from the panels which obviously increases when soaking. All mounting structure is bonded There is a 30mA RCD...

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