1. M

    Main earth after cut-out replacement

    Hi all, After months of waiting, the fused neutral cut-out at my parents house has been replaced but I am concerned about the main earth. I believe it to be a TN-S as the main earth is attached to the back of the main incoming cable. In December, I got the CU replaced and isolator fitted and...
  2. B

    3rd Floor Flat Lost Main Earth

    Hi All 3rd floor flat has incoming supply via Conduit which was being used as the earth. Conduit at some stage has failed leaving the property with no suitable earth. Would it be necessary to run a new sub mains and renew the supply also or is it within the regulations to run a separate...
  3. G

    How do I add a subpanel using three 20 amp breakers with 12AWG from the main panel

    Current Situation: I have three 20amp breakers with 12 AWG in the main panel. Each wire ends in a 3x2.5” metal box along with one neutral wire. There are two yellow wires, a black wire and a white wire. One yellow wire is attached to a 240V outlet and the other is attached to an orange wire...
  4. D

    UK Lighting circuit on a 32Amp ring main question

    First post and Newly qualified, been asked to complete an EIC/EICR on a property after previous electrician carried out the work but never gave a certificate for pretty much a full rewire. I had a quick look when I popped round, and from what customer says, there is a 32Amp ring main for...
  5. R

    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?
  6. P

    Nuisance trippage of main incomer

    Hi all, My situation is is this. I live in a house thats about 40 years old. The consumer unit is the original one . Its the grey metal wylex(?) which has a main switch over to the right and a yellow test button? I think its 100ma ? The fuses have been replaced with mcbs at some stage. For...
  7. S

    Main water bond? Stop cock metal but plastic afterwards.

    Is there still a requirement to bond the main water if everything after the stop cock is plastic? Cheers
  8. W

    Queries on main bonding

    Just want to know everyone’s approach to testing bonding within houses. I do a lot of EICRs, and I would say more times than not I can never get access to the water bond as the stopcock isn’t accessible. Now in this instance what I’ve been taught since my times been out is to test at any exposed...
  9. Therey4u3

    My main pump is not turning in despite hearing the timer go off.

    Im sure it’s the wiring so what can I do to fix it myself the cheapest way possible.
  10. A

    Want to ad sub panel to outside house main disconnect panel

    m new here and want to learn. I have a project I want to tackle but if it is above my means I will call an electrician. I have a main disconnect panel on the outside of my house. I want to add from it a sub panel to feed my pool and shed and also an outlet. I did some searching but still not...
  11. J

    Main MCBs replacing incommer switches

    In this Youtube vid it shows an electrical CU on the French/Italian border. One comment says it was done to Italians ways. One comment say it is normal to have 30A supplies, as was this. They install 30A DP MCBs as the main incommer switch, so as not to blow the main fuse. Sounds a good idea...
  12. F

    Main Protective Bonding

    Evening all, Recently started working for a company carrying out electrical installations - I've found a job today that didn't have any bonding to the incoming water or gas supplies and both were in metal so do require bonding. Spoke with my boss to explain and said that I was popping out to...
  13. H

    Adding New Meter/Main Combo in front of existing Main.

    Looking for some assistance here as I have received different bids from different electricians. We live in Florida and have a Generator for emergency use, but have no way to power the house save for an extension cord currently. We are also remodeling our kitchen and are wanting to upgrade our...

    Main Switch twitch......

    Hi all. Is there any good reason why you shouldn't use an rcd as a main switch in a domestic installation thats tns/ tncs ?
  15. G

    Main fuse re-locating from house to garage, what cable to take supply back into house

    Firstly, just to re-assure professionals here, all tie-in and testing on this project will be undertaken by a qualified electrician. This post is just to improve my understanding. We are preparing to have solar and wind power generation facilities at our home and the first phase of this is to...
  16. gm1984

    UK 16a oven on 20a fused spur from Kitchen ring main

    Hi, I've just bought a new built-in 3.4kw oven = 14.8A @ 230v. I'm getting 245v so actually 13.8A. Existing oven plugs into single socket fed from 20A DP switched fused spur. Ring is small (3 double sockets) with 4 x 20A DP switched fused spur single sockets (oven, washer/dryer, dishwasher...
  17. Y

    Need to update main line through house.

    I have a new combo meter box and 200A main shut off installed outside professionally. It has 4/0 service line coming into it and I have confirmation from the electric company that I am good for 200A service supplied to the house. Previously, there had been no main shut off. The new...
  18. R

    Can I run a 50 amp subpanel directly from main metered panel

    1990s home. 100 amp main feed. Nevada. 15 years mechanical experience on cars + motorcycles. Previous electric exp: I ran the other 50 amp 4-wire setup directly from the interior subpanel. Now I was told by an electrician when I was shopping around to get the above job done, and a 30 amp plug...
  19. teneke

    UK Main breaker keeps tripping, any ideas welcomed

    Hi all, I really hope this is the correct place in the forum. tldr; Oven and boiler take turns to trip the breaker, but I don't think it's either of them so any help would be greatly appreciated. Basically the main breaker keeps tripping in the house I'm renting. We've been living here for...
  20. J

    Uneven voltage on legs at main panel - troubleshooting?

    I have two main panels each 150amp breaker. House was built in 83 and lived here for 6 years no issues. About 6 months ago we had a power surge and our main ac fail (hard short) and tripped the breaker. Had the unit replaced but it seems since then we have had issues with lights diming and...
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