rcd

rcd

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  1. M

    Meter box RCD tripping

    The meter box RCD for my power outlets in my home trips at random times, approximately every 13 hours. Have used a portable RCD box to test every appliance plugged into outlets but the portable RCD doesn’t trip. Any ideas? Faulty outlet? Faulty RCD ( it’s 25-30 years old)? No other circuit...
  2. C

    UK RCD issue baffling me

    I have a dual board consumer unit. Both sides have a RCD. The left hand side of the board has all the MCBs for all the 6 ring mains for the property. The right side of the board has the lighting and hob and cooker for the house. Whenever a current is drawn from a socket the right side RCD...
  3. DoItMyself

    Zanussi electrical oven started tripping the RCD

    Hi All, I am new here. I searched the forum regarding this issue and most professional advice was that the heating element should be at fault. I am a DIY person and I would not have a problem replacing it myself, only that a new heating element costs £45 on Zanussi.co.uk and I would not want...
  4. Gooberstank

    RCD tripping only when high draw device and lighting ring is on.

    Hi. Wondering if anyone had any idea what might be happening. Last night I damaged a pendant light fitting by accident, not enough to stop it working. However later in the evening when my car charger started at 11:30PM the whole house RCD tripped. I only thought back to the light accident as...
  5. J

    Isolating switch needed?

    Hi, I have an underfloor heating system in a room (just less than 2kW). It works absolutely beautifully but an electrician who came to swap a socket in that room said that it looked like a ‘lazy install’. He was unprofessional and a rip-off - so I want to get someone else to check it - but I...
  6. BlueVan

    NEFF C17MR02 Oven tripping RCD

    6 year old Neff combi Oven/Microwave trips the Schneider 30mA EZ9R33263 RCD on our distribution board when we try to use the convection oven but runs the microwave fine, even on MAX setting. One of us (not me) slightly nuked one of those part-baked baguettes using the microwave but hardly any...
  7. IanBristol

    RCD Trips

    Hello, I'm not an electrician. My RCD at home constantly trips. I tried turning off the power, resetting the RCD and putting the circuits back one by one, to work out what was tripping it. All were okay, except when I turned back on 'downstairs sockets' or 'upstairs sockets' either one of those...
  8. J

    RCD trips

    Hello Elderly woman here, read lots of forums like this looking for advice but currently none the wiser,! I had Led PIR lights installed recently, replacing old pir security lights and an old decorative light at the front door all using the original wiring. An electrician did the work. The...
  9. K

    UK Scame Advance 2 RCD interlock socket

    Scame Advance 2 RCD interlock socket, has anyone fitted these? There is no access to the RCD when energised. How can you conduct an RCD function test? I’ve attached the data sheet with a product photo
  10. timhoward

    Distribution circuits in Section 705 location, RCD needed?

    I just want to check how I should be interpreting section 705. 705.411.1 states required disconnection devices, the first two indents covering final circuits and sockets, requiring 30ma and 100ma RCD's depending on rating of socket. Indent 3 says " all other circuits" need 300ma RCD. Does that...
  11. J

    3 phase TPN boards - earthing TT

    Hi guys, starting a new install on a job soon and having a complete mind blank. The supply at the main cut-out is a 3 phase TNCS supply. There is then a 50mm SWA running a considerable distance to a workshop where i will be installing a new TPN board as well as an earth rod to make all the...
  12. wsoppitt

    Rcd fault

    Hello guys and girls , I have a question if I may. Have to go and look at a intermittent fault on rcd , I'm told the circuit holds whilst using light appliances ( TV, etc ) but randomly trips the rcd on heavier loads ( hair dryer ) . The manual operation of the test button also doesn't work...
  13. M

    RCD testing

    Hello all. Can anyone inform me on what the latest guidance on the frequency of RCD testing is? I test my RCD's annually and record the x1/2, x1 and x5 trip and 0-180degrees annually, and replace failures. I also carry out a functional test whilst I'm doing this, and then a further functional...
  14. B

    UK RCD Protecting Distribution Cables on a TT on Industrial Estate

    Hi All, I'm looking to pick the brains of experienced engineers who have dealt with TT more than I have please. We have an installation on a site which may or may not be unique. There are four 12m x 12m units inline with each other, all connected as one building, with the plan to build a...
  15. G

    UK RCD on bathroom ceiling?

    hello im an industrial maintence electrician (mainly emergencies in factory processes & HV work) I do very few domestic jobs - i did pass my 18th edition in 2019 but memory is very vague doing a bit of work in my home and removing an electric shower and fitting thermostatic & also fitting a...
  16. SJD

    UK Identification of Crabtree Polestar RCD type

    One of my customers has a TPN board fitted with some Crabtree Polestar MCBs with attached RCDs, and I was wanting to confirm the type of RCD (i.e. AC, A). The RCD modules have either no marking to indicate type, or are marked with the logo for Type AC or Type A. See attached photos. I'm...
  17. newfutile

    Test the (RCD) Residual Current Device or die

    Just seen this label on a consumer unit im testing. As far am im aware no one ever pressed the test button.
  18. KeenPensioner

    UK RCD tripping explanation

    As a keen adult learner any help would be appreciated I understand that an RCD trips when there is an imbalance detected between L and N. If a 30mA RCD is monitoring several circuits (in a split board for example) and one of the circuits is protected by a 32A Type B MCB. I'm trying to...
  19. R

    RCD tripping

    I recently purchased waterproof garden strip light from Amazon but yesterday I turned on garden light at night time after a long spell of heavy rain during day time and I heard a buzzing sound coming from it. After a while my RCD tripped but the same light when I turned on dry day nothing...
  20. timhoward

    32 amp 3 phase socket, 300ma RCD

    I'm interested how you would all approach this one. A 3 phase distribution board on a caravan site, under lock and key. Only warden and manager have access. One of the final circuits is protected by a 32A 3ph MCB and it supplies a 32 amp TPN socket adjacent to the board, the socket having it's...

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