trips

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  1. L

    Overload breaker tripping.

    Going to a garage tommorrow were they have just had new LED lights installed. After a while the photocell overload breaker trips, the photocell is connected to a contacter the RCD protecting the whole circuit never trips. The light units that have been installed are approx 1/3 of the wattage...
    • Landril
    • Thread
    • breaker contactor electricians' talk lights overload problem tripping trips
    • Replies: 9
    • Forum: UK Electrical Forum
  2. D

    Two radials together, when separated it trips dual rcd board.

    I have just installed a new wylex dual rcd board replacing an old memera 2000 single rcd. Whilst wiring in I noticed what was purporting to be a ring main was in fact two radials in the same breaker, no problem I thought, I will split them up, one on each rcd, however, having done that it will...
  3. rustynails

    RCD tripping

    Hi all, On a ground floor ring main protected by a 30amp bs3036 rewirable fuse the owner has reported the 100ma rcd trips out on any occasion where her bathroom extractor fan is on at the fused spur and she tries to use the Hoover. After looking at her bathroom extractor fan, I've seen that...
    • rustynails
    • Thread
    • circuit connected electricians' talk neutral position rcd rcd tripping tripping trips
    • Replies: 12
    • Forum: UK Electrical Forum
  4. T

    Fault

    Been called to a fault today customer saying RCD tripping when under load. I go rcd holds in till he plugs something in that say uses more that 50w, I try and ramp test rcd - no trip, 5x no trip, 1x no trip, rcd test bottom - no trip. so I think it’s a faulty rcd, i put a new rcd in and test...
    • Tris Zanker
    • Thread
    • earth electricians' talk fault meter neutral something trips
    • Replies: 44
    • Forum: UK Electrical Forum
  5. M

    rcd trips on loss of power?

    evening all, i understand the types ie active and passive, rcd, but are all rcd's classed as 'electromagnetic'?
    • maffa ent
    • Thread
    • active after electricians' talk equipment power rcd trips
    • Replies: 1
    • Forum: UK Electrical Forum
  6. A

    RCD Trips when we get heavy rain?

    Hi all. Got a bit of a problem. When we get heavy rain like we did today, the RCD trips. So i push it back on and sometimes it will stay there for months or it sometimes again instantly. Any idea what the problem is? I do have 2 outside lights and a PIR sensor on them. Im thinking the problem...
    • AshFR
    • Thread
    • circuit electricians' talk get heavy lights outside problem rcd trips when
    • Replies: 15
    • Forum: UK Electrical Forum
  7. C

    Can't test RCBO as main RCD trips first - what to do?

    As above, came to commission a circuit yesterday and got to the last step (test the RCBO) and on 3 attempts the main RCD went instead. TT installation, no markings on front of RCD but assume must be 30mA non time delay. The obvious answer is quote them to swap for a type S RCD but it's a big 3...
  8. W

    help with rcd trips, France

    Hi guys, need some advice please. I've got a problem on a French 3 phase CU. Basically the 3rd phase rcd trips when the boiler circuit on the 2nd phase is on whilst a sockets and lights circuit on the 3rd phase is on. If i turn off the sockets and lights mcb (there on the same circuit) then...
    • wibbome
    • Thread
    • circuit electricians' talk france help lights not uk other rcd sockets trips
    • Replies: 14
    • Forum: UK Electrical Forum
  9. W

    Socket screwed back trips rcd...

    Fitted a socket for a customer today, Job done.... 2 hours later call from the customer " All my power is off" turns out to be the rcd tripping, Went back checked the socket and all was fine, checked the rcd with the socket unscrewed from the wall and no problems, screwed the socket back and rcd...
    • Welshsparky
    • Thread
    • electricians' talk rcd socket trips
    • Replies: 13
    • Forum: UK Electrical Forum
  10. H

    Voltage Trips

    Just wondering how sensitive the old crabtree voltage trips are compaired to a RCD ?
  11. M

    mcb trips when downlights are turned off

    HI Guys I've had a call back to a job. It seems that a 6A light circuit mbc trips when some kitchen downlights are turned off and occasionally on. Its an intermittent fault. I replaced a light switch on this part of a circuit and looked a a poor contact on a 12v fitting (its a return to fit...
  12. jibjob

    Another RCD problem

    Fitted a standalone fused 30mA RCD unit today protecting a spur from existing circuit wired directly from MCB in CU. RCD FCU is mounted adjacent to CU. CU has 100mA RCD upfront (Crabtree) & is populated by 60898 MCBs. 30mA RCD x1 test was fine (28ms) but the x5 test trips 100mA as well as 30mA...
  13. W

    TT installation help

    Hi all Job on a farm, which is TT, The supply conductors go into a 100 amp 4 pole RCD Mainswitch ( In a plastic Enclosure) Then off to an MCCb Board which then feeds Several sub mains around the farm that all Have 30 Milliamp RCD Mainswitch Problem the customer has is when their is a fault at...
    • Welshsparky
    • Thread
    • electricians' talk fault help installation mains supply trips
    • Replies: 14
    • Forum: UK Electrical Forum
  14. J

    9.5 kw shower on 6mm ?

    just been to a job , saw that the shower 9.5 kw is on 6mm t&e the cable goes in the wall and under floor boards ,No insulation, to the board (A cable run of no more than 10 m) . I said downgrade the shower to 8.5 max. Is it really necessary ? never quite sure , its borderline to me .
  15. S

    RCD Trips

    Two jobs both identical with panels and invertors ect. Ie: Aurora 3.6 TL , 14 panels 235w. Both using Wylex garage boards 16amp mcb and 63a 30ma RCD 4mm T&E. One starts up and works no problem the one next door trips RCD. Done all checks and test all ok. Invertor goes through start up all ok...
  16. S

    RCD nuisance trips

    Hi there, I've got an old, Wylex, 4-way, rewireable fusebox, water mains providing my earth (PME to come) and a 100A service fuse. The circuits are: i) ring main ii) lighting (two circuits in single fuseway, one of which is a single light) iii) immersion heater (not used) iv) cooker and hob...
    • Siddell
    • Thread
    • electricians' talk protection rcd trips
    • Replies: 19
    • Forum: UK Electrical Forum
  17. S

    megga mft 1720 trips rcbo's

    Any one else come across the new 2 lead no trip feature trips some brands of rcbo's? so far i've found it trips wylex, crabtree and doorman smith. is their any work around or have i just got a dodgy meter?
  18. F

    lighting circuit that trips

    Hi can any one help? I have a customer that says his lights keep tripping out when the shower is on in the ensute and bathroom at seprate times, the wiring is 4 years old the lights are mains gu10 (not ip rated) there is a inline fan with a lv light in it, there is no sign of moisture and no...
  19. B

    Single phase ccu trips out 3 phase Board

    :cry_smile: My facial expression with this job I can't figure out. Hello first post on here and been searching to see if they was a post like this online. In a church building, there is a 3 phase board that feeds a wylex single phase ccu with a swa cable 3 core but not sure on size, my best bet...
    • Brace56
    • Thread
    • 3 phase aus board electricians' talk out phase single single phase trips
    • Replies: 25
    • Forum: Australia
  20. R

    Intermittent rcd tripping help?

    Hi guys, I've got a customer who's rcd is tripping every few days. Any tips on the process to follow cause it never trips while I'm there. Ive tested the unit itself and it's working ok? Thanks
    • Ross1
    • Thread
    • aus electricians' talk everything help intermittent leakage rcd rcd tripping tripped tripping trips
    • Replies: 6
    • Forum: Australia
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