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borrowed

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  1. S

    Consumer Unit Change - No CPC on lights - Borrowed earth

    Been asked to change a consumer unit On inspection found out that customer had done much of the work himself - approx 20 years ago Currently has old Wylex NN Board Ring Mains & Kitchen appear OK - T&E Lights have no cpc, except for a couple with metal fittings. The lights with metal...
  2. R

    Borrowed neutral discovered when changing CU and discussion on DIY CU change

    My usual disclaimer applies - I'm not a professional electrician.. I recently changed the CU in a family member's home as a bit of a stop gap (they are building an extension later next year and will have the property fully rewired then - but for now they asked if I could replace the...
  3. S

    Completion of EICR with bunched lighting circuits due to borrowed neutral

    When there is a borrowed neutral in a domestic property between the upstairs and downstairs lighting circuits, and they are bunched in the RCBO (Code C3), you have 2 furthest point lights, so how do you complete the certificate, Do you change the numbering on the cert, and test both lighting...
  4. B

    Code for borrowed neutral...

    Carrying out an EICR and have discovered a lighting circuit has a borrowed neutral from ring main. No RCD as its old 3036 fuses but have a disagreement with my colleague who believes it should only be a C3 for improvement recommended. I was almost certain it be flagged as a C2. Anyone able to...
  5. N

    borrowed neutral

    Hi guys, I was changing a emergency light today and it turns out the line and neutral were from 2 completely different d/b's, the neutral has been broke into the neutrals of the ceiling lights from a different d/b, would this be classed as a code 2 fault, thanks in advance guys
  6. P

    Borrowed Neutral Problem.

    Hello forum electricians. Firstly just to explain I was an electrician but have not re-certified to 17th edition or worked as an electrician for a very long time. So that's me. Anyway I recently had the kitchen upgraded and decided to do the electrical work myself refreshing and verifying...
  7. A

    Lighting circuit

    EVENING ALL HAVING BEEN AROUND THIS OLD BLOCK OF FLATS FOR SOME INSPECTION I CAME ACROSS A LIGHTING CIRCUIT ON THE HALLWAY (5 FLOORS ) WITH NO CPC , BUT NO SWITCHES. WIRED WITH 2.5mm SINGLE CORE ON METAL CONDUIT AND RCBO PROTECTED STAIRCASE LIGHTING CIRCUIT ALSO WITH NO CPC AND ON...
  8. P

    Fault (DIY wired house)

    Went to house to day to look at putting a new board in..... Quick look about noticed that every socket was run from a jb screwed to the skirting board then run up to patress's in capping with a couple of grey 2.5 t&e clips......defo a DIY job in here. Looked and there was a 17th board in...
  9. C

    Rcd trip

    Hello, been at a job today where I am adding in new lights,fan etc into new bathroom. old rewirable db, with a 4way rcd board added in for downstairs bathroom . So, to cover my work I ir tested upstairs lights circuit with the intention of moving this circuit to the 4way rcd board , all ir...
  10. S

    Borrowed neutral and how to fix

    Got a 2 gang 2way switch on downstairs hall, The switch for the upstairs circuit is fed from the downstairs circuit, lives cables( t& e) go in the wall and up across the finished landing floor and up to the upstairs 2way switch, live (just one) the goes up in wall to rose, borrow a neutral from...
  11. A

    RCD tripping weird

    Went to a job today where the RCD was tripping. everytime you turn on fridge or freezer it trips. Then on the other side that is not RCD protected the kitchen lights trip the RCD when turned on. It's newish install couple of years. The RCD trips even when the RCD side bus bar is off and the...
  12. O

    Warning notice Borrowed neutral on lighting circuit

    Doing a CU change, but have already spotted that there is a borrowed neutral between the two lighting circuits with both being fed by the same MCB. The job is in a flat and there is only a single light in the entrance hall on one of the circuits. The customer wants a straightforward swop and...
  13. S

    Socket Problem

    Hi guys Hope you's may be able to be help me here as i am puzzled. I have 2 sockets downstairs and two upstairs not working now, they used to work perfectly and suddenly there seems to be no power going to them. I also think one of the sockets upstairs has borrowed a neutral from the one...
  14. H

    Borrowed neutral!

    What is the easiest way to test for a borrowed neutral? Thanks!
  15. O

    2 Lighting circuits sharing same 6amp MCB

    Looked at a job today and noticed 2 red line cables in one 6amp MCB which was marked up as Lights. The place is a small purpose built flat with a couple of lights in the entrance hall with stairs going up to the living area and the rest of the lights. The two way switch in the hall operates the...
  16. K

    Testing old cu before changing

    Morning everyone whats the best route to take when testing an old consumer unit before an upgrade, ive only done a small amount of testing and really want to get to grips with it all, I am starting the 2392 after xmas but would like to know if theres a certain plan you guys stick to when your...
  17. D

    not aborrowed earth - but a fault to earth!!!!

    Hello All, After posting about a CU change and the one light circuit that kept on tripping the RCD on the new CU i had a lot of great advice. Armed with my Megger 1553 i approached the CU and condcuted some IR and continuity tests. At first a borrowed earth was suspected but from the following...
  18. D

    testing for a borrow neutral

    hello all, i just installed a new cu, which some of you may have read in another one fo my threads. everything was fine until i tried to connect one of the ligthing circuits to the board but it made the RCD trip every time. i did some reading and suspected the ole borrowed neutral dilema...
  19. J

    borrowed neutral

    recently changed a c/u and found a borrowed neutral on landing, i told customer however at the moment they dont want me to run a new neutral through the house. so is it acceptable to them both on the same rcbo? (rcbo as its a high integrity board) this is 1 of my nic assessments so its got to be...
  20. S

    Borrowed neutral question.

    Just out of interest if i was to fit a new dual rcd split board and a came across a borrowed netural on a lighting circuit how could i resolve it? Thanks Chris

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