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  1. G

    Liklihood of adjacent RCBO tripping due to fault on another circuit?

    Got an odd one. Supply is TPN TN-CS and all looks reasonably tidy but the circuit schedules bear little resemblance to the DB contents. I have a piece of fixed equipment that is generating intermittent faults and tripping the C16 RCBO. The circuit tests fine at 999MOhms at 500V on IR. So it's...
    • GBDamo
    • Thread
    • another circuit fault rcbo tripping
    • Replies: 19
    • Forum: UK Electrical Forum
  2. grumpyjohn01

    Yet another flippin hot tub

    One of my favourite customers (also my hairdresser !) has asked me to provide a socket for her recent purchase... ' Don't worry she says, its plug & play, just a normal socket..' The electrical guidance is attached, can anyone spot what's wrong ? apart from..er..everything. No mention of class 1...
  3. I

    Hello! Another new guy here.

    I'm a commercial catering engineer from nottingham with all my gas tickets. Have some electrical experience (more to do with machine fault diagnosis) but I am currently doing my c&g 2365. Completed level 2 and now about half way through level 3. I have also completed my 18th addition. All...
  4. T

    Just another dumb DIYer..

    Hello, No formal certification here, just grew up watching my Dad and Grandfather do things on their own and learned a little in schools and most from doing and searching. I'm the typical "jack of all trades, master of none" and I know enough to get myself into trouble by getting in over my...
  5. J

    Another EICR RCD question

    Hi All. Sorry for not introducing myself and asking a question on my firs post, but I have been losing sleep lately... An electrician went into flat and did EICR. Would not give a copy until I paid up front and now says I need a new fuse box etc £850 + worth of work. My flat is tenanted and...
  6. T

    Can I replace one breaker with another?

    I have a square D panel(QOC16UF) with a 20 amp breaker(plus others). This breaker is too small to handle the various outlets and light fixtures in the small kitchen and living room. I purchased a 30 amp breaker and wonder if I can unscrew the front panel from the wall, turn off the main breaker...
  7. SteWal

    Another newbie!

    Hi all, at 56 I decided to get the qualifications to be a domestic installer and here I am! Now I just need to get the experience and that’s where I’m hoping you can all help. Thanks in advance. ?
  8. G

    Not another hot tub post....

    Hi, a friend has just sent me this snippet from their hot tub instructions asking for advice. Its a plug in hot tub. Also specified are a 30mA circuit and a 10mA PRCD. Any thoughts? As I said, its and inflatable, plug in, temporary hot tub
  9. J

    Another genset question

    Hi. excuse my ignorance. I have seen this before. Why is the phase in this picture taken through two of the poles in this manner? the isolator is wired in exactly the same way with the phase going through line contact out the top and back through another pole. what am i missing please...
  10. R

    Another question

    Sorry for all the questions The maximum tabulated value for a protective device is 1.85 ohms. And the measured R1 + R2 is 1.03 ohms What would the maximum ze 've expected to be allowed. A) 0.35 B) 0.82 C) 21 D) 0.21 For some reason I typed in 1.03 x 0.8 on the calculator as I had the...
  11. D

    Another EICR question

    Just done an EICR. Bonding to water stop cock present. Bonding to gas. Unknown. The gas meter is in a cupboard outside. No bonding there. The boiler is on the wall directly behind gas meter and over kitchen cupboards. I suspect the gas pipe comes in through the wall behind kitchen...
  12. P

    Another video on fuses versus MCCB

    While idle on YouTube I saw this video showing the comparison of HRC fuse and MCCB with some spectacular results at high (63kA!) but in-specification faults:
  13. T

    Replacing one breaker with another

    I have a Square D panel for my apartment with following breakers: 1 double 40,2 double 30's and 4 single 20. One of the 20's controls a convection cooking panel, a small toaster, an 11 watt microwave, living room lights, n HDTV and my Internet. When all the above are on, during the past few...
  14. BlueRaja

    How is it possible for a GFCI cord to fail in one outlet but not another?

    I have an outdoor electrical subpanel with a nearby outlet. We've plugged an extension cord with a built-in GFCI into it , but the GFCI trips every time, with any device plugged in. When we plug the same GFCI/device into a different outlet near the house, it works fine. We've replaced the...
  15. kropaske

    Another EICR for your ammusment

    So my old client asked me to look at the eicr and quote he had done on 1 bed rented property to see if i can sort it. It looked like one of those in and out in 1hr report but the quote to put it all ok was over 2k for board change and sorting some high zs reading on sockets. Looked at the...
  16. C

    Another 'Should I get back in the game' Question

    Afternoon folks I've been sat on a prickly fence since last Summer, contemplating if I should pick up my qualies again and seek out a position as a Mate/Improver. I took redundancy last Summer from a job I absolutely hated, yet paid well. I then landed into a role I was already doing a bit of...
  17. T

    another career change thread... sorry

    Hi all, apologies for another thread, I've done a search of the site and there's loads of info on here, but I'm finding bits here there and everywhere so thought id ask in relation to my situation. I'm looking to leave my current employment, which is well paid, but I've had enough. I'm looking...
  18. telectrix

    another so-called sparks crap.

    been to a job today, nothing fancy. fit 2 pendants and double dimmer,and a double socket (spurred from CU which is about 6 ft. away), in a conservatory that has had the roof plasterboarded. opened CU to find a rat's nest "installed" 2019. every terminal apart from the factory fitted ones was...
  19. I

    Wiring for a 3-way occupancy with another 3-way an 4-way

    I have three switches on a stair well one 4-way and two 3-ways. I want to change the 3-way to an occupancy sensor switch. The switch currently has 2 blacks and red. Red to Red, Black to Black terminal, Black to gold terminal I wired the occupancy switch in the same way and it did not work...
  20. cliffed

    Let’s have another think

    This electrical game is getting worse,in so many ways. Wholesalers are giving us Split Db’s Rcd controlled, & these maybe obsolete soon. Any DB with a Rcd AC type will not perform in the tripping time required if ... electronic equipment is being used. How come they have just only found out...
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