question

  1. P

    USA Hot Tub Wiring Question

    Hi, I purchased a new hot tub (still hasn't arrived) and am probably doing the wiring myself. My "qualifications" are - my father was a lifelong electrician before passing away a couple of years ago. I spent many summers (and a few years) working with him and helped wire several hot tubs. The...
  2. T

    USA Sub panel.wiring question

    Hello I am wiring up a 100amp sub panel in my shop the run is about 230 feet so I was advised by the supply house to use 1/0 aluminum, I was told that the breakers at the main panel at the house would not accept the 1/0 aluminum, what would be the proper way to connect the wires I have seen...
  3. J

    Coding question

    I will try to explain this as best I can, Did and EICR this afternoon, multi story apartment block DB's in flats are effectively submains from switch room in basement, Fed with 3 core SWA, 2 cores supply peak side and the 3rd core supplies off peak side. Problem is, is that the neutral is shared...
  4. Pretty Mouth

    Another EICR coding question

    Yesterday's EICR. The cut out and meter are in a damp cellar, and are fixed to a chipboard board on the wall. The chipboard has slowly rotted over the years, you now can push a pencil through it in places. The rather rusty fixings have pulled through it, so the board and everything fixed to...
  5. A

    Adding an additional socket in ring circuit question

    Hi, I am a DIY person (ie. not a qualified electrician) so I am sure this is a basic question but please bear with me. I am looking to add a socket to the garage. I was looking at various online resources on how to wire this up and came across many videos and articles that said that if you...
  6. timhoward

    Practical question about 3 phase IR testing

    Regarding 3 phase IR tests for initial verification, I'm wondering how people actually do it efficiently. GN3 says to IR test between all phase permutations, then: L1+L2+L3 connected together to N L1+L2+L3 connected together to E N to E The OSG further comments that if the group test to earth...
  7. M

    First day here with a kitchen receptacle question

    Just wanted to say hi before I post my question. I don't give too much information about myself online, but I will say I am a retired US Navy submarine electrician. There are some differences between shipboard motors, generators, switch boards, motor controllers, pumps, valve position...
  8. S

    Pme question again

    Am carrying out a job soon a sub main to a out building in someone’s garden. The house is tncs earthing so was planning on doing tt at the shed. There’s no extraneous metal work, but it is a concrete base and they are planning on putting some fridges or freezers in there. Would others do the...
  9. M

    C&G Level 3 Project Question (Cafe ring final sockets length)

    Hi guys I'm a bit frazzled by the wording on the main project. So, we are told to keep the max circuit length down to 30m, tutors said that isnt physically possible so just try to keep it under 40m and they noted that the socket circuit was a bit of a mental one and that the 30m guidance set...
  10. T

    Commercial Toaster wiring question. Please help.

    Hello guys, brand new to these forums so I'm not sure that this is where this should go, but I'm looking for some help with fixing the toaster at the restaurant I work at. I'm a cook but I second as a handyman around the place and I've been tasked with seeking a solution to our issue. The...
  11. M

    Another which RCBO/MCB compatibility question!

    Need a 6a RCBO for a lighting circuit otherwise it’s a 18 circuit board change! Had a quick search on here, and Alto is Wylex rebranded? If so, will the NHX mini RCBO series be a suitable replacement?
  12. I

    What makes you question things?

    Evening all, Was thinking the other day about an installation I've seen where the 2 earths of a ring main at the DB were covered in one sheath of sleeving. This made me wonder whether end to end tests would have been carried out or not. Would someone do the tests and then put the sleeving on...

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