neutral

  1. P

    No earth or neutral

    Went to customers house yesterday (TT System) with a reported loss of power to the outbuilding. Checked the main consumer unit & the mcb was off, so flicked it back on, plugged in the megger & it showed 230v. But when I tried the lights or plugged in the Strimmer nothing happened, when tested I...
  2. G

    Neutral between phases

    I am trying to connect a smart light switch but there is not neutral. Next to the switch there is a socket with a neutral but it is under a different phase. I understand that it is the same neutral for the whole house on all phases, but when I use the other neutral, it short circuits. I checked...
  3. C

    USA Open Neutral Issue

    Having issue with open neutral. Site won't let me post any details saying its spam...not sure why?
  4. T

    USA Flow of current in a neutral wire

    I am taking this HVAC class and have been studying up on the basics of electricity, magnetic induction, AC/DC, Ohms Law etc. I have a basic question concerning the flow of current in the neutral wire of a single phase 120v circuit. I ran a few questions by my instructor (Mr. Samuels). He was...
  5. I

    TIPS? Running Neutral Wire in Old Conduit NYC Building approx 1950

    Hello! I am setting up a smart home system and will need a neutral wire for the application. Some of the existing switches to be replaced only have 2 wires. I believe I will need to run my own neutral line through the existing conduit. I have done so before and just used a stiff wire with...
  6. B

    All three neutral wires needed for a smart single gang light switch?

    Hi all, I'm wiring one of those smart switches which is a single gang and I have three live wires (x2 com) (x1 L1) and three neutral wires that are currently in a block. The original switch just use live (com and L1). I've wired up the new switch with the live wires but I am trying to attach...
  7. D

    Can I Jump off a Neutral wire on an existing 3way Switch

    I’m working in a two gang box, currently has two switches (1 3way with a neutral wire, on old 2 pole switch) I’m trying to replace the old 2 pole switch with a Dimmer Switch that requires a Neutral Wire. The 3way switch next to it has a neutral wire. All other neutrals are cut short and...
  8. C

    Neutral - Earth link in Main Switchboard

    When is an earth neutral link required in an main switchboard? Is it particular to the earthing system? Is it common to earth the source neutral at the first point in the LV system where the neutral is terminated - the main LV switchboard. If the Neutral terminal of the transformer is...
  9. C

    Transformer Neutral Grounding

    Should the neutral of the transformer be provided with separate ground rod or can it be interconnected with earth bar which also connects the transformer frame and other equipment frame grounding. Is it correct as per the European standards? ( See the attachment)
  10. Michael J

    Green neutral anybody seen this before?

    Haven’t seen this before
  11. S

    Using earth as neutral

    We’ve pulled in a 185 cable just and realised that we need a neutral. It has 4 cores, brown, black, grey and earth. Can we use the earth as a neutral if we shrink wrap it with neutral sleeve and then run an earth separate? It’s a tri-rated cable, so no armoured to use as earth.
  12. I

    No earth in single pvc pvc neutral

    I've been working in Birmingham for a couple of weeks and I am coming across a single neutral cable from the cu to each light point then the line is also a single cable with a earth to each switch then to the lights it must be from the 60s .It does seem to be the norm . My problem is that...
  13. V

    hager invicta 3 - rcd incomer neutral

    hi about to install a invicta 3 , hager 3 phase board. the neutral on the board is on the left, yet the 4 pole time delay rcd i am going to use has the N labelled on the right hand side of the RCD, so with the copper incoming kit links it won't fit? are there Hager version rcds with neutral on...
  14. L

    New light fitting 2 live 2 neutral

    Hi everyone There are 2 light fittings to change in the living room I've changed the one at the back that was just twin and earth These light closest to the. Switch has two brown and 2 blue Can I put these in together in each block for the New fitting
  15. J

    RCBO - What would happen if I didn’t connect the neutral of the RCBO?

    Please can someone tell me what would happen if the neutral of the RCBO wasn’t connected would the circuit still work ?
  16. C

    Electrician Jobs Neutral required for smart wall switch

    I would like to install a smart switch in my bedroom, there is currently a 2 gang switch for the spotlights. I am happy to change it into a 1 gang and use the other cable for neutral. If that is possible. There is access to the wiring in the loft. Cost?
  17. Savdar1810

    3phase RCCB used no Neutral

    Question for someone... recently inspected a 3phase 415v supply socket and noticed it's protected by a 40amp 30ma rccb... Income supply only has 3phases and earth and on socket side requires neutral... Surely this RCCB isn't doing it's job if the neutral is not fed through protective device...
  18. K

    Advice wanted on neutral to earth

    Hi Just wondering if anyone can help me out. Is it possible to get 0.03 to 0.09 m amps on a clamp meter on copper water pipes when an appliance is plugged in and the unit attaches to hot water copper pipes via a metal braided hose? On 2 x units the first unit had external damage with messed...
  19. A

    Neutral wire not connected

    Hi my electric shower light stayed on after is turned it off. I took off the pull chord and firstly there is only one nuetral wire connected, looking at the contactor in the loft it looks like the neutral wire has been cut short. So there is a live and neutral from the fuse board, and only one...
  20. A

    Neutral wiring problem

    Hi on my electric shower pull chord/isolator there's two lives and only one neutral. In the loft on the contactor the neutral wire isn't connected to it. The light is staying on on the pull chord. This can't be right, I'm presuming the neutral wire should be connected at both ends from the...

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