trips

  1. K

    Questions about a shared supply. A fault next door trips my ELCB.

    The semi-detached house next to mine is being refurbished, including rewiring work. Our electricity meters, fuseboxes etc are back-to-back on the party wall. My ELCB has tripped a few times recently, and I eventually realised that it happens when someone is working next door. Last time it...
  2. P

    Garage unit trips house consumer unit problem

    I'm installing a garage unit but it's tripping the (20A) house breaker. There's no load on the garage unit so I'm missing something obvious/doing something stupid. The garage has pre existing T and E powering lights and a couple of sockets which I want to modify to get a bit of practice after...
  3. I

    new washing machine trips rcd

    washing machine trips rcd when turned on or off? this is on a newly installed ring on a recent job.as work had all been tested and no problems, job signed off and walked away. machine was 5-6years old recommended they get it looked at by an engineer, but they instead bought a new one.this still...
  4. E

    Tripping 6amp breaker

    Morning, Called to a mates house last night and he tells me his lighting 6amp breaker keeps tripping after about a hour or so. He says it keeps trippiong more often each day. Any ideas ?
  5. M

    The RCD trips on a board that is dead?

    Right, working in a shop adding a few extra sockets.. All old rewireable ccu some 1 had added a RCD garage unit to cover the whole installation(tailed into RCD feeds 1st ccu you no the drill) Right im working on the 2nd ccu fed from the first.. I lock off the circuit im working on, test dead...
  6. Goody

    Washing machine trips the circuit.

    Customer rang to say his washing machine trips the circuit in the middle of the cycle. He said, it ran for a while and stopped. Enquired on the phone and it looked like it only tripped the MCB and the RCD stayed on. It's on a radial circuit with 16A MCB. Could someone shed some light on this...
  7. I

    Outside Lights on internal fused spur - MCB trips

    I have installed eight LED garden lights (5.4w) and a couple of PIR lights (400w total) via a Fused Spur (5amp). When the lights are turned on via the FS the socket circuit MCB trips (RCD is ok). MCB can be flipped on and stays on. Wiring looks good. Any ideas ? Thanks.
  8. E

    Shower Trips RCD when turning off???

    Hi was called to look at a shower today which works perfectly but as you turn it off it trips the rcd in the C/U. I did an I/R test and loop test on the circuit and a ramp test on the rcd and the results where satisfactory so I informed the customer that the shower is faulty. Has anyone else had...
  9. Goody

    Help! Cooker trips RCD.

    Hi, An electrical cooker stays on for a while and trips the RCD. When the RCD switched back on straight away, the cooker stays on for a length of time and trips again (doesn't trip straight away). The circuit tests OK and the MCB stays on all the time. What could be issue and where...
  10. T

    Nuissance tripping on a 30mA Main RCD on a TT system

    Hi all, hoping some 1 out there can help me on the following problem. just recently qualified and have this nightmare situation with no experience on the following problem. I have nuissance tripping on a 30mA RCD. it trips at random times and can go as long as 5 days before it goes again. the...
  11. T

    RCD tripping

    Help Please!! Had an issue today where a external DBs RCD in a garden shed / workshop keeps tripping. It only trips when high wattage items are used, otherwise its fine. The installation has been active and fine for the past 7 years. I have tested all circuit, all sockets / points but can...
  12. N

    RCD trips on kitchen ring main when supply is turned on ???

    Hi guys,,, I was installing a new socket today for a client in her bedroom when halfway through working she asks if she could turn the power on and make an important phone call. So I turn the supply back on after i put everything back in place and then all of a sudden the rcd trips and wont...
  13. L

    RCBO True operating current 30mA????

    Called to investigate a fault in a building which has lighting on TYPE B RCBO's, ive stripped everything and all the wiring is good >800Meg everywhere as its less than a year old, the switchgear is Eaton Mem and the accessories are the cheapest nastiest youve seen, the main lights are twin 9w...
  14. W

    what ohms trips rcbo's

    ball park figure: The actual number is beyond my limited old brain Insulation res. test n&e would trip (set 500v) rsbo/rcd What is the threshold / trip ...not trip, ohms reading on tester I guess some manufacturers may differ slightly, but there must be an inbetweeny? In the old days, n&e...
  15. G

    new washing machine trips 3 phase rcd incomer

    Hi Chaps, Got called to an interesting one today, customer has bought a new miele washing machine for a farm building. It is a straight swap for an older machine, trouble is during its cycle it trips the 3 phase rcd 30ma incomer. The socket it is connected to is fed from a single phase breaker...
  16. T

    breaking light bulb trips other circuits

    hi all, any idea why a breaking light bulb would trip other circuits mcbs? system is TT, entire installation in an mk cu under one 80A 30ma RCD bonding etc is correct and connected, pfc, psc etc all ok. everything looks normal except: all the circuits which tripped at the same time as the light...
  17. S

    RCD minimum times...

    Hi, I'm investigating an intermittent problem in a flat. Every once in a while the RCD trips. The tenants have narrowed it down to one circuit, the electric hob. However, it never trips whilst I'm there, even after pouring water on the hob. I've carried out 500v insulation resistance tests, and...
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