rcd

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  1. HappyHippyDad

    Does this immersion require an RCD?

    My customer has had a new Immersion fitted (see picture). It is a Gledhill Stainless Lite Plus. Is has dual elements The plumber has wired in one of the elements. It does not work. It does not have RCD protection. My question is, does this immersion require an RCD? My research indicates that...
  2. J

    Boiler Tripped RCD

    Hi all, UK: The RCD on the circuit my boiler is on has tripped, I have a water supply issue in my area today and switched on my hot tap for a moment or so and there was low pressure, could the low level of water in a modern boiler (Logic) cause the RCD on the consumer unit to trip? I'm unsure...
  3. HappyHippyDad

    Easee one EVCP has a type B RCD fitted in it.....

    A customer has asked me to fit an easee one EVCP. I notice that it has a type B RCD in it (I think). We are not supposed to fit a 'lower grade' RCD upstream, due to the blinding effects. Its not possible (at least not easily) to fit a type B RCBO into the 'fusebox' branded consumer unit, so I...
  4. HappyHippyDad

    How to tell if type A or AC RCD without markings?

    A customer has been told by British Gas that their boiler requires a type A RCD. Below is a picture of the existing CU. Does anyone know if these RCD's (CGD - control gear direct) have a marking somewhere, or, if they are just always Type A? Or perhaps always Type AC?
  5. aesmith

    RCD Needed on Circuit to Solar Inverter (UK)?

    Hi, Our solar inverter is connected to a dedicated circuit from an RCBO in a CU in our garage. The RCBO was chosen, supplied and installed by the solar installers. The cable runs up from the CU in plastic trunking, goes through a concrete block wall to the next room, then is clipped to the...
  6. E

    Single phase motor tripping RCD

    So, a single phase motor I have bought. I have wired it up, as the diagram shows on the motor, and it's tripping the RCD when I turn it on. I have tried it wired up for forward and reverse and trips the RCD on both. I removed the lead that goes from the wall plug socket to the motor and tried...
  7. Tooly1

    16mm twin and earth main supply?

    16mm twin and earth main supply to storage heater board, no mechanical protection or earthed outer sheating ? No upfront rcd only a bs1361 50amp fuse. Here’s the updated version including your Observation: The inspected apartment contains two consumer units. We were instructed to carry out an...
  8. S

    "voltage relay" instead of RCD ?

    So I'm getting my flat in Kyiv (don't ask...) done up. I'm using quite experienced builders who have their own tradesmen. Now when it came to electrics I had two main questions: 1/ sizes of the cables on each circuit and 2/ Would there be at least one RCD in use ? For part 2, he came back and...
  9. Fuseboxclueless

    Does fuse board or switches contain asbestos?

    Hello, looking to get home electrics upgraded and get a new fuse box. A neighbour mentioned that their house had a main switch on the fuse board that was encased with asbestos and I’m wondering whether we will be in the same position with our old fuse box. Does anyone have any idea based on the...
  10. LmarshallSparks

    TT - Consumer Tails Protection

    Quick question, Do TT earthing systems consumer tails require RCD protection? I believe they do, but I rarely see them on short tails? Does it only apply when the tails are over three meter? Thanks for any help electrical masters 🙏
  11. Bluetit

    22Kw EV installation. SPD, RCD etc.

    Hi all, Went to look at installation of a one 3P+N EV charger at a care home the other day which I am quite interested in doing having only previously done SP+N chargers. There is a very empty CU nearby which is useful, but there are no SPDs or RCDs etc. I was looking at using an ICS charger...
  12. Studeent

    RCD mainswitch? What's the best way forward?

    Hi all first time posting on here, my friend is currently living in a flat in South Wales, with an Independant main fuse as you can hopefully see.. It uses a 63a RCD as a main switch 6a lights and smokes 16a storage heater X2 32a cooker and sockets To introduce heating (no gas) he wants to just...
  13. Fazz711

    RCD or RCBO consumer unit

    Hi . I normally do industrial electric work. Usually on Schneider and Merlin Gerin boards I am looking at fitting a new consumer unit at home and seem to be getting two versions of which board would suit best. Either a dule RCD board with MCBs Or A board with all RCBOs. Which would be best...
  14. B

    Light fitting tripping RCD

    Hi all, Firstly a very happy New Year to all! 🎉 We recently bought a century old police house that's needing a fair few wee things doing to get it up to speed. We have a lot of DIY experience and are working on a limited budget so everything we can safely do ourselves we will. Usually have...
  15. B

    RCD tripping when planer turned on?

    Hi, I recently bought a new planer. When I switch it on the RCD in the garage board trips. The machine doesn't try to start, the power trips as soon as the ON button is pressed. It has a 16 amp plug. I plugged it into an existing 16 amp outlet that I use with my welder. The planers info plate...
  16. mbu2ns

    EICR - RCD Wont trip on test button

    Hi all Still got a hangover from saturday but im struggling with one 🤣 EICR, everything tests ok until i press the button on the RCD and it doesnt trip. Tried 2 spare RCDs same thing. When i disconnect the sockets Neutral from the busbar it then works. Type AC 30ma 80A RCD What am I...
  17. L

    RCD test button

    Hi, can anything else cause a RCD test button to fail, besides a faulty RCD.
  18. HappyHippyDad

    Does SWA need RCD on a TT?

    I know the answer, at least I think I do as I am now questioning myself! It's just I've seen a few jobs recently where the electrician (or who ever did the job) did not give any fault protection to the armoured cable, so I am wondering if I am missing something? The most recent example from...
  19. Retroelectric

    Rcd fault not tripping

    Hi I have only had a quick look at a fault so haven’t gone too far into it. Lighting mcb tripped out, elderly lady wanted it checked out before it went back on so meggered it, all lights worked but rcd would not trip. It’s a BG 3+3 split load installed by someone when the heating was done about...
  20. P

    What exactly happens during an RCD test? (Methods 1 & 2)

    Sorry this is a bit of a long read but I’d be extremely grateful if someone can help me understand RCDs and testing methods of them. I know RCD test applies a fault current but in what way? I understand how continuity/IR and the other test work so it helps me know what to do, what’s going on...

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