rcd

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  1. P

    Failed RCD socket given post-mortem out of curiosity

    Many years ago I fitted some RCD socket outlets to my parents home for the two likely to be used outside, the front hall and the kitchen one next to the window. Being the paranoid sort of person I am I always test-trip them when I have cause to use one, and in the case of the front hall that is...
  2. Fazz711

    Hw many computers for no RCD

    We have to put two new tower sockets in to a office at work. At the moment we have two towers but four sets of four desks. The two sets of four without towers are fed via extension leads hence the need for two new towers. I have been told by our tech guy we aren't fitting RCBO on the two new...
  3. newfutile

    NICEIC Certification Scheme Rcd’s in series in communal area

    During an eicr i have discovered a 30 ma (RCD) Residual Current Device feeding a dual RCD consumer unit. The source rcd trips before either in the Consumer Unit . i would remove the source rcd or replace with a type s but i cant be certain about buried cables in walls, at least some of it is in...
  4. K

    UK Old 8.5K shower wired to 30 amp fuse with no RCD. Is it still safe & ok to use?

    8.5K shower unit is wired to plastic box consumer unit to 30 amp cartridge fuse with no RCD It’s the original shower installed when the house was built around 1995 The shower is still fully working after all these years, never blowing the cartridge fuse before Am I right to presume RCD wasn’t...
    • koko88
    • Thread
    • amp fuse no rcd old rcd safe shower still wired
    • Replies: 19
    • Forum: UK Electrical Forum
  5. E

    Three phase rcd protection

    Hi guys, I am rewiring a commercial launderette with 3 phase machinery. Does the machinery need to be RCD protected being in commando sockets. The sockets are not accessible to the public and each circuit is being used for a specific machine. With the price of three phase rcbos the...
    • Electric joe
    • Thread
    • commercial 3 phase phase protection rcd three three phase
    • Replies: 5
    • Forum: UK Electrical Forum
  6. T

    Up front RCD tripping with sub main connected.

    Hello all I have recently installed a sub main in 4mm 3-core SWA, approx length 45 metres, to feed a small garden office. Final circuits in the cabin are protected by 30mA RCBOs and the supply is fed from a 32A MCB on the non-RCD side of the DB in the house. As the installation is TT I put in...
    • Toblerone
    • Thread
    • connected front main rcd rcd tripping sub main tripping
    • Replies: 7
    • Forum: UK Electrical Forum
  7. D

    UK No rcd on lights and cooker

    Can anyone help me with this I have a old plastic consumer unit with one rcd with lighting and cooker not on rcd The original lighting circuit has been altered over the years and 16 non fire rated spotlights put in the kitchen with all earths cut out 2 bathrooms 5 spotlights in each not iP...
  8. I

    Three phase equipment RCD protection on a TT system

    TT system, existing three phase fuse board recently installed by another spark which only has single phase circuits terminated into individual RCBOs Required to install three phase circuits for new equipment, is there a better way of doing this than fitting a 4pole RCD ahead of the main switch...
  9. D

    RCD polarity testing

    Hi, I've recently done a PAT course after the large company I work at discovered we have a Deltapat 3309 kit tucked away. I'm actually an automotive electrician maintaining the electric forklifts and pallet shuttle 'robots' at the factory but they decided to expand my skills which I appreciate...
  10. HappyHippyDad

    Does this Legrand RCD fit this Legrand CU?

    Afternoon all.. Just lazily working through a quote on this wet and cold Sunday. I'm trying to get Type A RCD protection for my new work. At present it has Type AC RCD. My question is, does this Type A Legrand RCD (see link) fit in this CU as a direct replacement for the existing RCD (see...
  11. OnlQQker

    12v Rcd or equivalent

    Why isn't there any? If you're using only the plus-negative on the battery and the only grounding point is battery negative to chassis, then surely a 12v rcd would be possible. Or am I missing something totally here. I've scoured the internet and found absolutely nothing!
  12. W

    What rcd can I put where?

    Does any one have a link or know where I can find the diagram I’ve seen that lays out what rcd devices you can and cannot have up/downstream of each other? e.g. you can’t install a type A downstream of a type AC etc it was a good little diagram but I can’t seem to find it again, I think it was...
  13. N

    Why does RCD trip when measuring voltage with LoZ function?

    Why does RCD trip when measuring voltage with LoZ function?
  14. lozarus

    Oven Replacement - RCD?

    Afternoon all. Apologies if this is a stupid question. I'm currently half part way through completing 2391 (second exam tonight) - so may be getting myself in a tiz overthinking things. Either way, thought I'd put it out to the group. Task is: Straight swap of existing x5 ovens with new -...
  15. C

    Zanussi oven tripping the RCD, Help im living on Pizza

    Hiya, I have a 5yrs old Zanussi single built in fan oven. It has recently started tripping the RCD at the fuse box. Thinking and researching i decided to replace the main element which i have done. The oven works for about 15 mins the fan comes on after a couple of minutes and seems to be...
    • Christopher Middleton
    • Thread
    • living oven rcd tripping
    • Replies: 9
    • Forum: DIY Electrical Advice
  16. I

    RCD or Main switch in garage board

    Hi this may be a simple answer to my question but I can't find the answer in the regs If im fitting a garage board from a consumer unit with RCD protection do I need to have RCD protection in the garage board? I'm guessing I don't need an RCD at the garage board but I can't find a definite...
  17. G

    Type AC RCD's and EICR's

    Hi all. What are your thoughts on coding type AC RCDs when doing EICR's? I understand the issue on DC currents preventing RCd's from functioning correctly. The Am2 version of code breakers suggests a C2 coding for: "....type AC RCD and has pulsating DC currents from connected equipment such as...
  18. K

    RCD protected Cables under Computer Flooring?

    Hi All I’m after some advice, I am doing a restaurant fit out involving a number tables that have hot pots built into the table, for customers to heat/cook their food in the hot broths or stews what have you. These are 3kw and just fed from a fuse spur. The cable run is LSF T&E on tray laid...
    • Krispy
    • Thread
    • cables computer protected rcd under
    • Replies: 19
    • Forum: UK Electrical Forum
  19. J

    Is it ok to have PV system into shared (household) RCD?

    Is it ok to have PV system into shared (household) RCD? So I've had a system installed, but not yet complete/signed off. The issue is that the PV (and a car charger) are wired into a shared RCD (with water heater, boiler and downstairs sockets). When all breakers are on, the system trips. It...
  20. Z

    Plastic board above entrance with bs1361 fuses only - no RCD protection. How would you code that?

    Hello engineers. I did EICR in two bed rented flat in a block of flats. There is old plastic fuseboard just above the entry door. There are only bs1361 fuses inside and no RCD. All luminaries are plastic.The board and wiring are in good condition. Any advise on how should i code that?

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