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neutral

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  1. C

    UK Live for one cable connected to the neutral of an adjacent cable?

    It appears a sparks has connected the live of one lighting circuit cable to the neutral of an adjacent cable using a cable connector in order to obtain a power supply? The circuit has worked fine for 2 or 3 years but has now failed. While the cable triggers the NCV there is no current or...
  2. Pastory

    ARE LIVE AND NEUTRAL WIRES DIFFERENT IN COMPOSITION?

    Hey holly electricians, I am asking are live and neutral wires different in composition or same but just some different colors of insulation. Was one type of wire just designed to carry electricity and the other to be a neutral one.? Are they different in composition? For testing purposes if I...
  3. I

    TT system, earth to neutral not tripping RCD

    TT system, Zs on socket circuit is 77.2 down a good bit after I added a second earth rod. When I short neutral to earth RCD doesn't trip. Can anyone help me out and explain please.
  4. S

    Lost neutral on PME consequences

    Hi all, I was reading about what can happen if the neutral on a PME system is lost at some point before the cutout and I have a few questions that I'm hoping someone could help me with. 1) Am I correct in thinking that for a properly earthed and bonded system, if the neutral is disconnected...
  5. S

    RCBO neutral fly leads to bottom of main switch?

    Hi, first post here! Just wondering on your thoughts on RCBO neutral fly leads being connected to the bottom of a main switch? Went to replace a cracked double pole switch for the storage heater, went to give it a quick test and came across this. Dual RCD board with an extra main switch added...
  6. S

    IKEA light fitting has 2 wires. White and blue. Which is live and which is neutral?

    Hi there. I’m trying to put a new ceiling light in that’s from IKEA but it has a blue wire and a white wire. How do I know which is live and which is neutral please? Also can I check that I am going to do this correctly. The current ceiling rose has like maybe 6 wires all connected to a black...
  7. nyDIYelectric1

    Will wiring a live & neutral to each light ensure wiring is running in-parallel?

    Refreshing my knowledge on circuits for an electric project & would appreciate if you can let me know if my understanding as I will explain/show below is correct. Figure 1 shows a wire containing a live (red) & neutral (red) (similar to Romex NMB w/out ground shown) and Each bulb A-D are...
  8. Y

    Upgrading sub panel in shop to QO816L100DF but existing neutral feed is too short to reach neutral bar. How do I relocate neutral bar?

    Upgrading sub panel in shop to QO816L100DF but existing neutral feed is too short to reach neutral bar. How do I relocate neutral bar?
  9. dokkan1080

    Live earth neutral and the cut out fuse

    Learning and curious At my home the neutral and earth are joined by the cut out fuse. The neutral goes up to the meter and the earth goes straight to the board. I can't wrap my head around how the earth and neutral are different? When the cut out fuse is out ( some one broke the seal along...
  10. J

    Transformer neutral reading 28v

    I’ve seen a 110v control transformer reading 28v on the neatral to earth and 67 on the other leg. Why would this be?
  11. P

    Refitting an extraction fan

    Hi, I need to refit a timed extract fan, there are three connections on the fan body, clearly marked, fine with that, but the supply cable from the ceiling is one cable only, one brown and one blue, the bare earth wire was just bent out of the way. It was working fine before disconnection. There...
  12. K

    Continuity for Neutral and cpc in TNCS due to PEN conductor?

    Hi, I am struggling to understand one concept if anyone could shed some light. as TNCS has combined neutral and Cpc so if on the consumer side hypothetically if you check continuity on N+Cpc without disconnecting any conductor, do we get continuity of Neutral and CPC as on the supply side, its...
  13. fredsilva

    Why does connecting neutral to casing work?

    I have basic experience installing switches, dimmers, outlets in my home; I am not an electrician. My brother recently had a light that was not working and asked me to take a look. I have a basic question about this: When I connected the hot wire and neutral to the light fixture wiring: the...
  14. C

    Neutral ground bonding

    Hello, yank living in Chile. Electric is the same as UK...220v. I am installing a whole house ATS. The generator is a floating neutral. The manual states the neutral to ground bonding must be in the ATS. Being a yank I am used to working with 4 leads 2 hot 1 neutral 1 ground. Now I have...
  15. K

    neutral connected to ground at outlet, does this violate code ?

    I have an outlet in my home that is wired in a non standard manner. Its neutral and ground are connected together based on the wiring diagram below. Please note I have identified the root cause of the 40V and 17V and fixed it. So I got 120V between hot and ground, 0V between neutral and ground...
  16. V

    Ring Final Test - Neutral >19.99kOhms

    Just checking, what I think I already believe. Doing a pre-install test of some outdoor sockets on a ring final. So far, confirmed bonding, incoming polarity, Ze and Pfc and RCD Test on circuit, everything fine and within regs. However on testing Ring Final, Line came out fine (0.7), Neutral...
  17. A

    Line & Neutral insulation tape

    Hi people. On my AM2 they supplied black insulation tape with the letters L or N on for tails identification. Does anyone know where I can purchase these please? I also remember they had L1 L2 L3 tapes. Thanks
  18. D

    Smart Switch lighting neutral question

    I own a commercial storage unit where I keep my boat, trailers, etc. I went to install a Smart Switch in it, so I could remotely control the lights if needed (i.e. some times I will forget to turn them off when I leave). I bought a witch, took the cover off, and realized I don't have a...
  19. Ian1981

    Rcbo neutral and functional earths

    Thoughts on this please, functional earth leads obviously showing signs of heat damage, the greenish coloured neutral leads compared to the blue ones are coloured throughout their length, maybe heat has caused this?
  20. T

    UK No Neutral Wire? Photo.

    I took off my old ceiling rose in my garage to put up new lights and noticed that the loop in has two live wires and no neutral, I'm new to this so want to improve my understanding. Where the two earths are sheathed together this is the switch and loop in, the wire with two lives is the loop...

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