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  1. U

    PAT FAIL HELP - 19" Rack Mounted Surge Protected Power Strip

    Hi All, My colleague and I are currently doing PAT/ISITEE Testing, and we've hit a snag with a bit of equipment - we've got 19" Racks for our equipment that each have a Surge Protected Extension Lead mounted into them, they're Class I, and we test them on 250V. Earth Cont. and IEC Cont. are...
  2. 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
  3. 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...
  4. Lainan01

    Maximum Zs on circuit protected by RCD - 1667?

    Does a RCBO protecting a single circuit mean it can have a maximum Zs of 1667 Ohms since it's being used as fault protection?
  5. Q

    UK Can you add additional sockets to non RCD protected circuits via RCD spurs or sockets?

    Evening all, If a socket circuit is not RCD protected via an RCD/RCBO and there isn't the option of fitting an additional RCD enclosure or fitting RCBOs, is it permitted to add additional sockets to the circuit via RCD spurs or additional RCD socket outlets? (type A of course)...if the sockets...
  6. 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...
  7. Calebp43

    How to test RCD when RCD is RCD protected?

    Got a sub main board with an RCD inside. Need to test that but whenever I test it it sometimes trips the RCD from the main board. I need to test the RCD from the sub main board. Any suggestions? My thoughts are to bypass the RCD at the main side with connector blocks momentarily but surely...
  8. K

    Should these tails be mechanically protected?

    Hi guys. Im moving a consumer unit for my brother and where I was going to run a 25mm armoured through the building he has decided to put a window directly above the cut out. After explaining to him the only way I could do it would be to put a piece of earthed metal trunking on the inside (red...
  9. Pretty Mouth

    RCD tripping, could a surge protected extension lead be responsible?

    I had a fault finding job on Thursday, intermittent RCD tripping. 2 actually, there was a 30mA RCD upstream, and a 30mA RCBO protecting the problem socket circuit, and either one could trip. I had limited time to work on it, but had eliminated everything obvious through testing, and was...
    • Pretty Mouth
    • Thread
    • extension extension lead lead protected rcd rcd tripping responsible surge tripping
    • Replies: 4
    • Forum: UK Electrical Forum
  10. D

    Which of my circuits are RCD protected?

    I'm not a spark, this question may be a bit of a giveaway, but wondering which of the circuits on my board are RCD protected based on this pic? Is it just the circuits which the RCD is immediately to the right of? Thanks NOTE: I don't plan on doing any work near this CU, I'm not qualified...
  11. O

    Recommend a surge protected extension lead

    Need a new surge protected extension, trying to avoid the merde on Amazon, can anyone recommend something decent? Have a belkin but they have used 5 one way clutch screws in the base to thwart repairability so they are off my list sadly...
  12. R

    If all circuits are rcd or rcbo protected max current 150mA why do you still have to install 16mm earth

    THIS IS FOR ELECTRICAL NEWS ONLY
  13. W

    Why is a too high zs reading on a circuit okay if it’s protected by an Rcd?

    Not long passed my test but was wondering why it’s okay for a circuit to be over the max zs if it’s protected by an RCD?
  14. M

    Exterior RCD protected IP66 double socket

    Hello. I need an outdoor socket and bought a ‘kit’ that allows a ‘soft wire’ IP66 socket. It is connected inside through the wall to an indoor socket by flex and a captive RCD plug. Unfortunately they sent a ‘hardwired’ unit which costs more but leaves no trailing leads inside. So I’d like to...
  15. D

    EICR Certificate not issued. Not all circuits RCD protected rated C2

    Hello, I've recently had an EICR done on my 2 bed house which is a residential let. This house is about 25 years old built by Charles Church. The EICR has not been issued due do C2's, there were no C1's Email with C2s ratings for 1) Not all circuits RCD protected, 2) Bathroom light is a bare...
  16. B

    Can anyone recommend any good UV protected conduit for running network cable externally?

    Can anyone recommend any good UV protected conduit for runnign network cable externally? I plan on running around 10 cables (7mm diameter each) from the loft to the 2nd floor and ground floor, but the cables are orange and i'd like to hide them in some pvc black conduit. A lot of the stuff i've...
    • Beefy
    • Thread
    • anyone cable conduit network protected recommend running
    • Replies: 2
    • Forum: UK Electrical Forum
  17. Paul Whybrow

    Selectivity

    Evening, I have a question if I may. If I have in my garage a 2way DB with a 63 amp rcd fed from main board in house on a 32a mcb but rcd protected. If I perform an auto rcd test would I be right in thinking it would trip the main board 1st as it’s rated at 32amp? thank you
  18. S

    UK Advice needed for garage power job

    Advice needed! Ive been to see a job for garage power, the previous electrician has taken a 4mm on a 32amp B MCB protected by a 30mA RCD. But hasnt done anything with, apart from the fact there is no protection and its T&E all straight forward. My ownly question is do i gland straight into a...
    • Sparkzilla
    • Thread
    • 30ma advice electrical work electrician garage garage power job mcb needed power previous protected rcd taken
    • Replies: 42
    • Forum: UK Electrical Forum
  19. J

    ammeter in car protected from high amperage?

    I’ve been looking at ammeters to install in my car, I see an analog gauge by Bosch that shows -60 to +60 amps which would be great most of the time to show when my car is charging, when it’s fully charged, and how much of a drain is on the battery when the engine (and alternator) is off. But...
  20. T

    UK Bathroom lights not up rated or rcd protected

    Hi everyone just wondering what action everyone would take with this situation. I came to a house to look at a downlight that wasn't working above a bath it was not up rated and the circuit had no rcd protection being on an old wylex board with plug in mcb's. I told them that the fittings were...
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