rcd

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  1. L

    ELCB or RCD for instant tankless shower water heaters?

    Some electric tankless shower water heaters have inbuilt ELCB. Are they better than Triton water heaters which don't have it ? and does Triton tankless water heaters have any inbuilt security? Or an external RCD is better ?
  2. S

    Communal DB does it require RCD protection to be a sat EICR

    Question is does this DB really need RCD protection as there are only internal lights and sockets supplying this large building that used to be a mansion and is now 4 flats. heres the DB its labelled L/L on the right only providing 3 light pendants a timer light and 2 single sockets all in the...
  3. littlespark

    Little problem here. RCD…

    Doing a kitchen job for my daughter’s music teacher, who also happens to have been in my wife’s class at school. Nothing big… just a little alteration to sockets, and run in a new cable for a built in oven. Original cooker point being used for hob. I hadn’t looked inside the board… just noted...
  4. J

    Is it possible to put a 16mm swa on a 40a mcb protected by an rcd

    Is it possible to put a 16mm swa on a 40a mcb protected by an rcd
  5. Electreacle

    RCD protection upstream?…

    Evening everyone… I’ve attached pictures for your leisure.. so basically the customer does not have any RCD protection.. 3036 fuseboard is in situ.. they want an outside socket.. I’ve told them that I can’t install one as there’s no RCD.. they’re asking if there’s any alternative ways safely...
  6. gazdkw82

    RCD testing issues

    Hi all, Been a while since I have been on here. I have been on an apprenticeship the last 3 years training in the BMS world. Taking that into account, I have not done any testing for the last 3 years so please be gentle with the below.i feel very rusty. My neighbour has asked for my help with...
  7. M

    Contactum RCD and RCCB update

    Hi all. Looking to refresh the MCB and RCCB (100A 30mA) units to my 20 year old Contactum P12/100N CU installed in my house. I have presently a section of Contactum 9000 Type B Range. These are clearly discontinued now. Can I assume that the new CPB Type B model of MCB and RCCB range is now...
  8. Brownie91

    Is RCD protection required on SWA supply cable to EV?

    Hi all, I am at odds on whether RCD protection is required on an SWA of 14 metres, clipped direct under flooring direct from CU to an exterior Tesla EV charger. The Tesla charger is three phase and to be a 22kw supply at 32A. TESLA SPEC: The wall charger itself features a built in RCD Type A...
  9. rwkshaw

    RCD seems to trip without physically tripping???

    Hi, I seem to have an RCD that keeps cutting the power at random times without actually tripping, if I reset it, the power comes on and will stay on for anything from a few hours to a few weeks. I've been through all the obvious things, unplugging everything, plug in one at a time etc, nothing...
  10. S

    Type S RCD Polarity Clarification

    Given the RCD pictured below With the manufacturers instructions here: Am i right in interpreting that as well as being able to bring the incoming feeds into the bottom, i can also switch the LIVE and Neutral sides over, so that this arrangement would be possible? Forigve the crudity of...
  11. C

    NAPIT Certification Scheme failed napit annual assessment with silly mistake of using type AC rcd instaed of type A

    i have faild napit annual assessment with silly mistake of using on consumer unit type AC rcd instead of Type A rcd. i bought type A rcd but they wre type AC someone swap them inside the packege. but i understaind its my mistake i should have checked it. now i have changed them and sent in...
  12. frankbiganski

    Gas boiler on RCD but also connected to other wall outlets

    Hi, I have lifetime experience (50+ years) in United States with basic knowledge of split phase 120/240 volts replacing wall switches and sockets. We moved to the UK two years ago (wife was born here) and I am aware of the 240 volt system that's used throughout the UK. I let a flat and with...
  13. N

    Can we connect the 2 phases lines ( 110 V each ) to RCD breaker?

    Can we connect the 2 phases lines (110 V each) to RCD breaker? please advise ?
  14. strider6

    EVSE and RCD Questions.

    I'm obviously still new and learning about what I can and cannot do, but essentially I want to install an EVSE at my own house for an electric van, I intend to run a 6mm T&E in surface trunking/clipped direct, through a drilled hole in the wall and then out a wiska box through some flexible...
  15. V

    EICR code for no upfront rcd on TT split load metal board: poor install

    See this time after time - poor installation: new split load board on a re-wire tt installation. The main switch is not a time delay rcd. The board is metal and there are split load single insulated conductors before the 30mA rcd's. If these conductors touch the metal work the board may...
  16. B

    EICR - Garden Lighting RCD

    Good Afternoon All Currently doing an EICR on common parts of a big site with multiple blocks. All blocks have outside garden spike lighting in flower beds. These have been run on edge of bed in NYYJ clipped direct above the soil. There they have terminated into WISKA boxes but then run off in...
  17. Y

    Box ground causes rcd to trip at > 1amp

    I have just checked a double outlet and it trips at 18ma. It was supposed to be faulty. Washing machine had a bad heater which got replaced but using the same socket it kept tripping the rcd. Socket next to it worked okay. Replace double socket with a new one. At the same time ran an earth wire...
  18. O

    UK RCD sockets on RCBO protected circuit

    hi all come across a new build commercial office where radial circuits feeding electrak power track was protected by 32A RCBO at dist board and the electrak tap off leads terminated into RCD under desk sockets why install RCD sockets when circuit is protected by 32A RCBO is this install correct...
  19. F

    How to wire Hager CDA263U RCD?

    Can I connect the supply line and neutral to the terminals 2&4 and the load side line and neutral out of terminals 1&2
  20. M-B-Electrical-Services

    RCD protection for a temporary 16A commando socket outlet

    Hi all, Just a quick one regarding the need for RCD protection for socket outlets rated up to and including 32A. I have been tasked to install temporary power in the form of a single 16A commando socket outlet for the purpose of feeding a boiler to maintain heating in a building owned by the...
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