neutral

  1. R

    UK Neutral to Earth is live (230v) in my distribution board?!

    Has anyone experienced this before? The neutral bar is live.. nothing had tripped and everything works fine in the property. any ideas?
  2. J

    USA Generac GP8000e/Need to be grounded? Remove Neutral?

    I have a Generac GP8000e generator that I plan on back feeding the main panel of my home with the portable generator, power inlet box L14-30a and breaker. First, I will install an interlock between the utility main breaker and the generator back feed breaker. I will only use the L14-30...
  3. R

    3-blade 240VAC Dryer Socket, Where is the Ground or Where is the Neutral?

    My California dryer wall socket has 3 blades shown in picture. I measured across bottom 2 blades = 240VAC. I measured top L-blade with one of the bottom blade = 120V. Is the L-blade a neutral? If yes, why no Ground blade? If the L-blade is Ground instead, then why no Neutral blade? I tried...
  4. Raptor0014

    Is this a fused neutral cutout?

    I’ve not seen one of these before and i have a memory of them needing to be upgraded by the DNO. Just wondering as well what the BSEN is for it. Is it 1361 or 88-3
  5. G

    Arcing on neutral when isolated

    This one is baffling us. A supply and DB have been installed . A section board feeds the DB via a 95mm 4 core swa with no separate earth, only the armouring as CPC. Outgoing circuits are connected at the DB and SOME in the field A 4mm neutral wire came into contact with some totally un earthed...
  6. R

    USA Neutral and ground separated in Main panel

    Why would neutrals and grounds be separated in a main panel? This is a new build with GFCI breakers for the range and dryer; does that have something To do with it?
  7. Neptune

    Electricity flow and the role of Neutral

    A numpty question.... In domestic electrics, can one be electrocuted by the neutral wire when there is no short circuit fault? All the online videos suggest that current flows through live and back through the neutral. If the current going out through live is not the same as the current...
  8. jtorral

    USA Help with shared neutral and wiring for disposal

    Hi My house apparently is wired in an old fashioned way with what I believe is called a shared neutral ??? Dont really know. But my breakers are special they turn two circuits off at a time and instead of a black wire only, one breaker has a black and the other a red. So, I need to hookup a...
  9. M

    Australia 20amp RCBO neutral fly wire only 1.5mm

    Why does a 20amp RCBO come with only a 1.5mm neutral flywire when you are driving a 2.5mm power circuit. Aren't you creating a choke, & potential voltage drop. I appreciate it can carry 20amps but it doesn't make sense to me
  10. F

    Wiring lights neutral

    Hello folks I am attempting to wire some new Down-lights in my new house , I have wired a few sets up before in previous home however the cables going into my ceiling rose seem to be missing live cables and not like the standard Twin & earth i have connected before . I can see that there is a...
  11. M

    Can I Do This? Power smart switch with no neutral.

    I've Seen this question asked and answered dozens of times. But never like this. I have a switch that requires a neutral. I do NOT actually have to switch AC power. Yes switch was designed to switch ACc but it's not nnessary for my case. My switch is just going to communicate over wifi to be...
  12. Tmcdiscord

    How to make sure the wire I used for my smart switch is neutral?

    I'm new to this forum, I live in Saudi Arabia. I just installed a smart light switch that requires a neutral line, as in this picture : when I opened the switch light outlet I found a black wire capped inside and not used, I used a voltage detector on the black wire and there was no voltage...
  13. HappyHippyDad

    What are the dangers of poor insulation resistance results between neutral and earth?

    What are the dangers of poor insulation resistance results (i.e <1Mohm) between neutral and earth? If all other tests are ok, what are the dangers of the above? My thoughts are it may indicate a breakdown of the insulation somewhere. However, what are the dangers of this breakdown between...
  14. F

    Neutral from secondary side of a transformer

    I had a question regarding the neutral wire on the secondary side of a transformer. When connecting H2 and H3 in series, H1 and H4 can be fed 480V to step it down to 120V. On the secondary side, I understand having to connect X4 and X2 together, and X3 and X1 together, putting them in parallel...
  15. D

    Borrowed Neutral/Mains humming?

    Moved into a refurbed flat a couple of years ago and there were a few suspect things about the electrical work which I’ve not got round to rectifying yet. I swapped out all the lighting myself over time (funny how all of the installed lamps were incandescent) and noticed that the Bathroom LEDs...
  16. G

    Finding the correct neutral to pull in a DB

    So, I can’t turn off the board, can’t really turn off circuits except the one I am replacing with an RCBO. It’s all singles in trunking no sheaths to trace back to find the appropriate L and CPC, and obviously, nothing is labelled and they definitely aren’t in the correct neutral terminals...
  17. D

    Smart wifi switch install with neutral wire

    Hello all My house is built 2005. I was trying to install ge smart switch which has 4 wire load ground neutral and line. Ge says it’s simple diy install. When I remove my existing switch I am not able to identify the neutral wire which according to ge video is white. How do I find neutral wire...
  18. R

    USA Ground & Neutral Placement in a Panel

    I am pretty sure I know the answer to these questions, but because this isn’t my own panel, I wanted to double-check. I am installing a single 20amp circuit into this panel in Florida and it seems that the ground/neutral bars are full. I believe that you can only put a single neutral under any...
  19. B

    Neutral wire to the house fell

    Seeking advice. My neutral wire from the transformer fell during a storm. This is at a cottage and luckily I was there when it happened. The surge move around the house and popped light bulbs and the GFI's in the kitchen and bath basically exploded and popped a breaker in the panel. I turned...
  20. R

    Light removal, with connected neutral

    I'm looking to disconnect a two lights from a lighting circuit while leaving the main light connected. I can remove the second switched live to the two lights at the 2gang switch however the neutral is in a Jb under the floor boards somewhere. Is it acceptable to leave the neutral, earth and...

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