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  1. KeenPensioner

    Main switch position on CU

    As I've said many times I'm not an electrician but still learning at 73 years old. I watch a lot of YouTube videos on electrical topics, just for the sake of it. I've just watched a video by Artisan Electrics where he was fitting a new CU and had a problem when the length of the existing tails...
  2. J

    UK Sub Main Armouring Earthing Question Combined CPC and Main Bond

    Hi I have reviewed a few posts around this subject, but my question is not covered. I know that the Submain Earth has to be sized on the DNO incomer, not on the submain to the external building itself. My question is if I need two main bonds in the submain building, for example one for ground...
  3. R

    Where can I get a obsolete Square D Main Breaker?

    I am in need of the 200 amp main breaker for a QOC-20M200 Series 1 breaker box. I have attached a picture for reference. I was told it is obsolete and have looked online but none of the reference pictures have the lower bolt-on as I have? Any help would be greatly appreciated!
  4. K

    Current reading on ground electrode conductor in main panel

    I live in the Philippines but I have the same US electrical system (2 x 110V hot + 1 x neutral). I have two ground rods buried 8 ft. deep and connected to the main panel. Netural and ground are bonded in the main panel. And from the main panel, all 4 wires (2L + 1N + 1G) go to sub panels. Ground...
  5. Michael J

    40 Amp single pole n/c main contractor?

    I need a 40A single pole contactor. The main contacts to be normally closed in the distant passed I seem to remember you could get them. Anyone know where to get them? Thanks in advance
  6. Dartlec

    Novel gas main bonding

    Thought I was onto a real winner today when checking the gas bond to find a nice bonding conductor run directly to a local earth rod: The main house is currently TT with a rod on the opposite side of the house, so maybe they thought the foundations counted as a massive MET :rolleyes: Was...
  7. J

    UK Installing a sub main from existing TT system

    Hi all, I’m new here and after some advice on a sub main circuit I have a 3 core SWA feeding a log cabin from a house. The house has an existing TT system and I’m just wondering what the best way to supply the log cabin would be? What would I need up front to protect the SWA, I’m presuming a...
  8. S

    New Summer house wiring installation - dedicated Circuit or break into existing ring main?

    Hi all, Planning on wiring my neighbour's summer house which will be 15 metres away from the end of the house (20-25 metres total distance from the supply CU under the stairs). Need some advice on which option would be the most SAFE not just the quickest, cheapest method etc. If it costs more...
  9. C

    Pulling a main fuse

    Yes that old chestnut... It seems to invoke rage in some people but thats not what this is about... My question is has anyone tried to be sneaky about getting a DNO out? I find the people on the phone are jobsworths but the actual guys that come out are as good as gold (WPD) at over £200 to...
  10. D

    Main Bonding for incoming plastic pipe

    Hello All Noticed the existing bonding for the cold water supply is only 4mm. The supply pipe out of the ground is clearly a plastic pipe. It joins a brass stopcock under the kitchen sink cabinet and the rest of the plumbing in the house is in copper. I'm worried I need 10mm bonding and will...
  11. snipersmith87

    Main Bonding - Multiple Buildings

    Could somebody please put me on track. Main bonding conductors are sized relevant to earthing conductor (TN-S / TT) or PEN conductor (TN-C-S). On a large installation (Industrial / Commercial) with multiple buildings containing Extraneous parts should ALL the bonding conductors be sized the...
  12. Dartlec

    How to protect existing 16mm T&E feed to CU when converting to sub main at source

    Currently quoting for a job that needs to be done next week and working out how best to proceed, so thoughts welcome. Current situation: -->PME incomer that has just been moved by UKPN within a porch (brick built permanent type) from one wall to another. -->60A main fuse -->Meter -->Large MK...
  13. D

    What cable / conduit for a spur from the ring main?

    Hi everyone, I’m about to build some cupboards, (tomorrow!) but need to ensure that a suitable cable is left behind them and threaded through the adjacent wall for a socket that I want fitted in the future - on the other side of that wall. (Work is happening in many stages). I’m not attempting...
  14. O

    domestic sub main question (fusing)

    Hi All, Been called to a customer property for nuisance tripping which i have resolved but when inspecting installation i have found an issue. The customer has a cabin at the back of the property with a CU inside, fed by 10mm SWA. it has 32a RM, another 32a (still locating its purpose), 16a...
  15. J

    SWA metal exposed on main

    I’m having a new wall constructed. Whilst digging the foundations the workers came across the incoming main. Note that the steel armour is entirely exposed. U.K. power came to confirm it was their cable but didn’t mention anything relating to the cables condition. Surely this is a ticking time...
  16. P

    Smeg Victoria main oven won’t heat on eco mode.

    Works on all modes except the eco mode. Elements and stat seem fine. I’m a bit stumped. Any ideas? Thanks in advance.
  17. N

    Sub main

    Hi,, im doing a new build and the consumer unit is about 15-20mt from the meter cupboard. I’m going to use 25mm SWA 3 core, I have1 question I have to go up a long a short piece of stud work, do I need to put a box and blank on to identify the cable is there? Thanks
  18. telectrix

    Main Agents? See my Arse.

    er indoors car failed MOT 1, front brake discs and pads... pads, fair enough. discs less than 1mm lip due to normal wear, discs otherwise smooth and OK. quote £220 for parts ( i can get for £99) and £216 labour (it's a 2 hour job). and as an insult, £65 for brake fluid. Why?, I ask, you should...
  19. M

    Main cut out missing

    Whats this?.How to code ,absence of main cut out fuse?
  20. mak

    Schneider board main switch TP-N and 4-pole

    What's the difference between the two, one isolates N the other does not, got me confused when I was testing continuity between E-N, then I realized N was not isolated.

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