rcd

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  1. H

    What’s the point of earth loop if your rcd performs ?

    Hi guys was having a conversation as a apprentice I’m still not sure and was wondering why earth fault loop impedance is important if you’ve proved your earth because the rcd trips proving your rcd performs ? Can anyone tell me thanks so what my question is in short what’s the point of it if...
  2. M

    Wet UFH Tripping RCD

    Hi. I’ve recently had installed a manifold (including zone valve and pump) for the newly installed Wet UFH in my extension. The system is split into three zones 1) Hot Water 2) Extension UFH 3) The rest of the house which is the original central heating system. All work fine when switched on...
  3. S

    Why is split RCD not appropriate for TT?

    OSG Pg.40 says: '[Split CU with 2x RCCBs] is not suitable for an installation forming part of a TT system as there is insufficient fault protection of the single-insulated conductors that connect the load side of the double-pole main switch to the supply-side of the RCCB's.' Why is there...
  4. newfutile

    Meter tails no rcd in stud wall

    During an EICR meter tails were found entering the cavity and coming down a stud wall to a consumer unit about 5 meters (direct distance) away. they do have an isolator but no rcd or other protection . as cables buried in a wall have to have (RCD) Residual Current Device at 30mA and generally...
  5. J

    Bathroom refit, do I need a RCD?

    Hi all, I'm refitting my bathroom in my first floor flat (top floor) built around 1989. It has 2 CUs, one for night storage and one for 24h electrics, they are of the 1980's era Crabtree, the label on the side says BS5486:PART 13 CM16. The hot and cold are run in plastic from the Immersion...
  6. G

    Oven Tripping RCD help!

    Hi all, Was wondering if anyone has come across this before and could maybe help - Its a new one to me! Customer recently altered layout of their kitchen slightly and bought a new AEG single oven and a new AEG micro / grill oven after doing away with some gas appliances. 1 of the new electric...
  7. P

    TT Agricultural RCD ISSUES

    Hi all,looking for some pointers to an RCD problem, I work entirely on large poultry farms, I've only been in post a year, at some point before I arrived when the regs changed probably on the 17th there was a huge rcd purge in our ccus where they were not needed, I've since in my spare time...
  8. W

    110v 55-0-55 RCD's C16

    Hello, Anyone know of any RCDs for CTE 110v sockets that dont cost a small fortune? Need some for some high EFL 110v sockets in a factory I do work in after an EICR.

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