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rcd

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  1. R

    Fused fuse board no rcd or breakers eicr rating

    Hello I live in a rental in scotland and have recently had an EICR carried out. I have an old fuse wire fuse board on a wooden plate with no rcd or breakers, I had assumed this would be a C1 or C2 but this came back as a C3. Surely this is incorrect if the plastic fuse boards are C3s surely no...
  2. S

    RCD keeps tripping. Perhaps i've wired it incorrectly?

    Good afternoon! In my house, I have a three-phase power system and this RCD that's rated for 40 A max and 30 mA leakage current. It keeps constantly tripping on loads larger than a phone charger (ie an electric kettle or toaster). This house is to EU standards (I live in Latvia). I'm wondering...
  3. mikeyking

    RCD tripping... What other problem determination can I do?

    Unfortunately my electrician is too busy installing EVs so I've kinda been left on my own for now! I have an issue where the RCD labelled #1 in the attached picture trips as soon as I attempt to turn the immersion heater on. I've had the immersion heater replaced (well, I couldn't get it out...
  4. N

    Rcd protection for caravan hook ups

    I'm sure this will have been covered before but please bear with me. Have been asked to replace a main Distribution board for a fairly small caravan site and add in some new hook ups ( space for 8 x 16A sockets currently but upgrading to 12 x 16A and a 32A). Now this is all fed from one 100A...
  5. Malcolm

    Compatible Series E RCD

    HI. Is anyone able to let me know if there is a compatible 80A RCD for a Series E board? I have tried the tinternet for a replacement but coming up short. Thanks For any help.
  6. M

    Using armouring as earth and RCD protection

    Hi, If an SY cable is used to supply a consumer unit, and there isn't a guaranteed depth of 50mm for the wall it is in, would using the braiding as the earth negate the meed for RCD protection of that cable? Thanks
  7. I

    Nuisance tripping - faulty RCD?

    Had a real headache of a fault finding job which has left me scratching my head - RCCB on a split load board, supplying 3 circuits (shower, immersion and downstairs lights) constantly tripping. The frustrating thing about this was while it would sometimes trip within seconds, mostly it would...
  8. P

    Type AC RCD with solar inverter

    A friend of mine asked me to look at here PV system as she is not getting any power (and thus money) from it. First real issue is the Aurora inverter has a E031 fault which I suspect is burnt out relays, so I can probably fix that with a big iron and a couple of new relays (at last for another...
  9. L

    How to determine the RCD rating in order to comply with 411.4.204

    Hey guys. I am currently studying for 2396 city and guild electrical design exam and I'm stuck on this question. Its asks to determine the residual current rating of an RCD in order to comply with regulation 411.4.204. The circuit in question is a final ring circuit protected by a 20a type C...
  10. J

    RCD tripping straight after smart meter install

    Hello, Firstly, I'm aware other people have posted similar topics on this forum, I'm not trying to create a duplicate, but more looking for advice as to the distance between my smart meter and the tripping RCD. I had a smart meter fitted yesterday, and straight after the installation, the...
  11. R

    Category for lack of RCD on sockets in 27 year old building

    There is a difference of opinion in that a testing company carrying out an EICR has classed lack of RCD protection as a C2 where I understand this type of fault to be a C3 according to Guidance Notes 3 Table 3.5. Their opinion has been formed in reference to a publication called EICR Code...
  12. Davew182

    Why would an RCD trip 3-4 minutes after a light has been turned off?

    No lighting has been changed in the house for at least 12 months. Last night a small pop similar to that of a small firework in the distance came from one of the rooms in my house and the rcd for the front of the house ceiling lights tripped. This happened within a few minutes of me turning off...
  13. timhoward

    IT system - how do RCD's ever work

    To avoid distracting another thread... @Julie helpfully said that an RCD can be used with an IT system to achieve disconnection after the second fault. I'm not understanding how. If both faults are between transformer and a load it just becomes a parallel path with negligible resistance, and...
  14. N

    rcd rating is this suitable

    quick question, 80a/30ma rcd protecting 5 32a circuits 2 ring mains 1 oven 1 shower 1 hob ive been told the shower and hob need upgraded to 40a mcbs is the rcd still suitable one ring main supplys 4 bedroom sockets the other kitchen/living area with 7 sockets.

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