ground

ground

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  1. 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...
  2. DIYpowered

    Ground connection in house

    Hello, I live in Mauritius (mostly British standard) and I am trying to understand what the electrician did at my home and i think he misunderstood what i wanted him to do. I just need some advice to better comprehend the situation and what i should ask the electrician to do next time to fix...
  3. M

    UK Isolated, noise-free electrical ground

    Has anyone come across this before - The LC/TQ electrical outlets must have an isolated, noise-free electrical ground that is connected to the main earth ground for the facility. Noise-free typically mean Total Harmonic Distortion (THD) more than 3% is not acceptable. Distance of 80m, so do I...
  4. D

    Breaker keeps tripping, potential ground fault?

    Hi all. We have a 120v 20 amp circuit to an accessory dwelling with a run of about 75' of direct bury #12. The breaker keeps tripping even when there is nothing connected to the circuit. What I've done so far: Checked all connections in the circuit(outlets, etc) Then, disconnected the...
  5. Y

    Box ground causes rcd to trip at > 1amp

    I have just checked a double outlet and it trips at 18ma. It was supposed to be faulty. Washing machine had a bad heater which got replaced but using the same socket it kept tripping the rcd. Socket next to it worked okay. Replace double socket with a new one. At the same time ran an earth wire...
  6. Dan

    Ground sourced heat pumps - how they work

    https://www.theguardian.com/technology/ng-interactive/2023/dec/23/heat-pumps-science-visualised?CMP=Share_AndroidApp_Other This guardian article explains it really well with awesome graphics. How many of you guys are into this?
  7. JanaWick

    How to calculate the effect of ground Enhansing material (GEM) in Earthing

    Can anyone advice me on how to take in the effect of Ground Enhansing Material (GEM) used in Electrical Earthing to reduse the earth resistance? in all the suppliers specification they only mension the GEM reduse the soil resistance drastically? so should i consider 1/5th,ro 1/10th or 1/100th...
  8. A

    Live ground wire throughout the house

    I have a live ground throughout the house. Is this dangerous and what are the possible causes? Thank you for your time.
  9. D

    T8 Fixture Hot, Ground or Short issue?

    Info: Located in US I have a 48” T8 fixture that I recently added LED’s by removing the ballast and wiring directly. After doing so when hanging the fixture with the chain, after plugging it in to turn it on I got a small shock from the chain. Full disclosure, I do have some...
  10. D

    Ground bar neutral bar connection

    I have breaker box at least 40 yrs old, both conduit and romex enter box, only one neutral bar that all white wires and bare ground wires attach to, bar has bond screw to box. Most everything I read and pictures on internet seem to contradict. Nowdays box must have separate neutral and ground...
  11. M

    Ground wire(s) in multiple conduits between sub panel and j-box

    At long last my wife is getting her new kitchen and the contractor will be running 10 or so new circuits from a new sub panel. The sub panel, unfortunately, is on an outside wall around 35 feet from the kitchen. The wiring will have to go down the wall, into the crawlspace under the house, and...
  12. O

    Ground light with 150mm cutout

    You used to see these all the while when big lamps were needed but I'm struggling now to find any that size and I need to replace 2 of them. Anyone come across ones this big recently, they don't need to be drive over or anything like that.
  13. D

    Piaggio mp3 mix the battery terminals mistake

    Unfortunately, I mix the battery terminals on my maxi scooter because the plus and minus symbols were not visible. I heard a click at some point and all-electric systems went crazy. After realizing the mistake, my scooter starts and stops just fine but after about 1 hour the battery goes dead. I...
  14. KelvinGaliny

    Why live to ground voltage is only 0V (in a 220V AC power outlet, there is also electric shock)?

    Hello, my name is Kelvin. I'm a trainee hydraulic engineer in Indonesia. I apologize if this question has been answered before / if this question is too basic. So we have a problem with electric shock coming from an electric panel. This panel runs on 220V AC supply & is used to run an inverter...
  15. _KaCe_

    Trouble shoot why a ground fault circuit breaker keeps tripping.

    I installed outdoor lighting and outlets. I finished this past year. I passed my inspection on April 2022. I was so pleased, BUT now the circuit the outlets are on has a problem... the circuit keeps tripping. Question 1: I was wondering if there's a way to test the circuit breaker itself? Then...
  16. J

    UK Running Neutral Wire from consumer unit to Ground henley block

    In the UK, It is said that the neutral wire is connected to ground/earth wire along the way back to the substation. Ive inherited a setup where the incoming SWA neutral wire is hard to join/reconnect to as the previous electrician hasn't used a henley block due to limited space... therefore the...
  17. R

    EV charger causing ground overheating

    Had an EV charger installed in July last year. It’s wired directly off the mains. Since end of November anytime I plug the car in to charge, the earth/ground wire in the cabling in other appliances in the house is overheating and melting components of the appliance until the main RCD trips...
  18. B

    Cap off ground or common?

    I moved into a house where the owner left an air compressor. He started wiring it before he left, said it works but needs wiring finished. It has a 230 volt 15 amp motor which has 4 wires coming out of it 2- H, 1-com. and 1 ground going to a 3 wire plug which he has capped the com. From there...
  19. L

    Ground Floor Bathroom Extractor Fan Query

    Hi. My current axial Xpelair model 92614AW ground floor bathroom extractor fan is installed in zone 1 and doesnt work efficiently at all. Its wall mounted but doesnt go straight to the outside as there is now an extension on the back of the bathroom. I think either I need to get a more powerful...
  20. B

    Hot wire and ground wire have 2.3v

    have a GFI outlet. I have not shut tge electricity off to the wires, they were live. I have the white neutral wire hooked up to the outlet. I have the ground wire hooked to the outlet. I a small zap when I touched the bare metal of the pliers and bare hot black wire. With the black hot wire not...

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