neutral

  1. C

    UK Live neutral terminal LED bulkhead.

    Evening everyone, I had new one today, a live neutral terminal on the connector of a LED emergency bulkhead. This fault repeated on 4 other units. The neutral was being taken from a 4ft fitting next door that a new guy had been messing around with. Any ideas why or how? Cheers
  2. I

    Blown Switch - never had this before!

    We've got a overnight storage heater, fairly old but still going. That was until it starting tripping the RCD, so half the CU went off. The switch has a crack and upon investigation it was burnt out, melted some of the cable insulation too. Switch replaced, but radiator still isolated at the...
  3. notShai

    neutral wires yes but not on the switch i need to upgrate to smart

    I want to make the outside ligth fixture tun on and off based on schedule / wifi switch enabled. There are 4 switches. lets call them from left to right, 1,2,3,4. 1 is the one i need to convert to a wifi switch, its for two outdoors lights each with 4 bulbs (one of them is pictured here). also...
  4. K

    Lighting cct - shared neutral

    Whats the best way of making good this lighting problem? In a dist. board, there are 3 x separate fuses feeding 3 x separate lighting circuits. However, the 3 circuits share the same neutral back to the distribution board. A notice has been given to put this right. It's impracticable to run out...
  5. T

    ground, neutral, and hot wire are all "hot"

    Topps Group Issues Statement on the CMA Review - From TTA Topps Group Issues Statement on the CMA Review - From TTA On 19th August 2024, Topps Group announced that it had acquired the CTD Tiles brands, 30 stores, selected stock and all related intellectual property from CTD Tiles Limited (the...
  6. BodgeJob

    4 pole rotary isolator... Switch the neutral or not?

    Hi there, Just a quick question. I am rectifying many problems on some 3 phase immersion heater circuits in a plant room. There are 4 pole rotary isolators just before the immersion elements and the earthing arrangement is TN-S. I noticed that the neutrals are connected into a dedicated...
  7. O

    dangers associated with wiring earth to neutral in the consumer unit?

    First time on here.... :) Looking for your thoughts on my situation plz. I've a small apartment in Spain and recently discovered there is no earth in the building, which I'm nervous about. Firstly I purchased individual socket rcd's and put one in all 12 sockets. Don't even know if this is...
  8. P

    Title? Generator to breaker box floating neutral

    Hurricane florida. I & several neighbors lost power. A few bought generators & hooked to breaker box. I just bought one too. Delivery soon. I also bought a dbl 30a dbl breaker to hook generator to breaker box. I have several feet if 8\3. However now im reading that there are issues with the...
  9. R

    How to track down a bad neutral in a home electrical circuit

    Ok, please be aware that I am a 'do-it-yourself-er,' so if this isn't the right place to be posting this thread, let me know where I should be posting it. The other day, my wife plugged in the vacuum cleaner and the whole living room circuit went dead. I figured that it was just either a...
  10. MikeM3

    Floating Neutral

    I am a long time retired electrician, I have worked on many different systems, I was High Voltage trained among other things. I understand what floating means, but I don't understand a floating neutral. To amuse myself in my retirement, I decided to build a Solar System, something that I knew...
  11. J

    Neutral Pole

    Good day. This has always got me confounded. Witha 4-pole 63A breaker, can someone please confirm/advise what the current carrying capacity of the component is? Does the 63A current stamped on the product mean 1. 63A per pole? 2. A total of 63A but limited to 63A in any one pole? If #1 is...
  12. J

    AC vs DC, live vs neutral

    Hi. I've read much about ac vs dc but can't find a 'simple' answer. If current alternates 50 times per second in a uk mains circuit, why do live and neutral not swap 50 time per second? On these forums, I've read that it does, so that copper does not migrate as it would in a dc circuit. I've...
  13. E

    Floating or Bonded neutral

    I just bought a Westinghouse generator (When 12000) and my neighbor is telling me no to use it until I know for sure if it is "Floating Neutral" or "Bonded Neutral" I don't really know what is he talking about. Why does it matter?
  14. T

    Induced voltage on neutral wire

    Hi everyone, When checking my consumer unit voltages with the full board off, I stumbled across something head scratching. Measuring the feed from the DNO, L-N I read 242.3 V. Measuring L-E I measured 242.3 V and N-E I measured a steady 30 mV. When measuring the live side of the main of the...
  15. R

    Current flow in neutral but no voltage ?

    Having a challenge understanding the concept behind why when you measure across line and neutral (live circuit) using voltage indicators we have voltage reading of 230V single phase. If there is current flow in the neutral why is it termed as 0V ? On that basis, second question - If I tested...
  16. R

    most sockets show live neutral reverse

    just had a new meter fitted,tells me most sockets are faulty and not to use,all sockets apart from two show live neutral reverse. going to egypt for 2 weeks tomorrow,so can't get an electrician right now,must have been like this for years so assume it is still safe to use? any thoughts on the...
  17. M

    G99-SGI-3 4.4 kw set export limit phase to neutral loop impedance test on site

    G99 SGI-3 4.4 kw set export limit phase to neutral loop impedance test on site 0.309 ohms and dno max being 180 m ohms or 0.018 ohms so site reading are well over the top or is this not unuall for 1950 lead cable TN-s
  18. T

    Lost Neutral on 3 Phase system - how do you calculate the effect on line voltage

    I know the effect of a lost neutral (floating neutral) on a 3 phase system, and the theory of why the line voltages can vary. However, I have been attempting to show this by calculating the line voltages of a phase system at given loads on each phase. Lets say:- Red 296 Amps, Yellow 279 Amps...
  19. V

    Unusual Neutral Tail into Consumer Unit

    Hi, Ignoring the appauling conductor terminations which I found, in the background of the photo you can see a really odd neutral tail terminated into the main switch. I've never seen this before, has anyone else, and if so what is it ? Oh I should add this is at a flat, so the tails are...
  20. rduna755

    Metal shielding and neutral , Monophase

    Hi I know its dangerous but if there is no grounding and if I connect metal sheet to neutral will it empty rfi hitting on it?

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