supplying

  1. Mark42

    One three-phase breaker, supplying multiple single-phase loads. OK or not?

    I’m fitting a single-phase car lift in my own workshop. New three phase sub-main panel 10m from the lift, 16A TP MCB (with TP 30mA RCD upstream) feeding car lift control panel the in middle of the concrete floor, via existing underground (non-ducted) 4c SWA. Is it OK to mount the following on...
  2. Hellmooth

    Cable type for supplying 3 phase board

    Hi, I need to supply a new 3 phase DB from mains, the board will be supplying a couple of transformers which will be used for some machinery, it is in an office/unit style environment, was looking for some ideas with regards to how to run the cables, haven't done calcs yet but would be looking...
  3. A

    Connection supplying 3 fridges

    Hi Electricians! i need help for safer connections this 3 fridges power supply. The 3 fridges power are 150W, 250W, 300W. To be installed in the commercial kitchen. There is an suspended (about 100mm from the floor level) connection box under one of the fridge. i am planning to put 6amp...
  4. M

    supplying sub main from a 3pole mcb?

    Gents, your opinion please. I am still finding my feet with commercial installation principles but this is ringing alarm bells ... My customer wants a small DB for 6 single phase AC units to be fed from the last spare 3pole MCB in a 12way DB - " a sub-sub main" for want of a better...
  5. F

    Three phase supplying a domestic flat.

    Hi guys, i had a look at a building in the west end of london which is spilt into 10 flats this weekend to do some upgrading works to the landlord area. i noticed that there was originally 6 flats and the landlord must of added an addition 4 flats on top. Called 10 9 8 7. ( obviously). The...
    • Fred Faulkner
    • Thread
    • domestic flat flats lighting phase potential supplying three three phase
    • Replies: 24
    • Forum: Domestic Electrician Forum
  6. K

    2.5mm Armoured cable supplying shed, on 13 amp FCU

    Hi all what would be the best option. A client has an existing armoured cable that is spurred of the living room socket via a 13a FCU, the armoured cable is then run to a shed, were they used to have a lights. Now as the shed was rotten then have taken it down to replace it. This time they would...
  7. uksparks

    Phone Call Today

    Me: Hello, how can I help? Them: I need you to replace my board Me: ok, so you want a new consumer unit, no problem. Them: I have the board, I just need you to fit it. Me: o....k, I would not usually fit a board for someone supplied by the customer unless a specific type that I usually fit...
  8. J

    Cooker switch DIY

    Have come across a 10mm t&e supplied from 45a 60898 installed a/c. This runs into back of cooker switch back box- terminated into 45a connector blocks- then they have down sized to 6mm and supplied the supply side of the cooker switch -but the supply side has been doubled up with another 6mm...
  9. A

    RCD protection on a circuit supplying bathroom

    Hi all, my first post. I like to read and work for myself rather than rely on answers of others, but this one has me in knots. I have been out to a customer who wants 2 outside lights on PIR's replaced. I also checked the CU and its the old BS3871 type and no RCD protection. It appears from...
    • andys25
    • Thread
    • bathroom circuit protection rcd supplying
    • Replies: 6
    • Forum: UK Electrical Forum
  10. A

    Help! Supplying two ovens from a single radial

    Hello, I have a 6mm t&e protected radial circuit running from the CU to the kitchen, this was originally going to feed just a new Neff Oven, rated at 3.68KW total connected load ~ 16Amp. This was fine, but now it turns out that the new Microwave we’re getting is rated at 3.1KW total connected...
    • andy100
    • Thread
    • help help! ovens radial single supplying
    • Replies: 36
    • Forum: UK Electrical Forum
  11. D

    Generator supplying energised 3ph circuits

    my customer is looking to install a generator at his caravan park to prevent overloading of his main incoming 150kva supply at his busy times. He intends to site the generator at the other end of the park to prevent the noise waking up the holidaymakers and he wants to use the existing circuits...
  12. P

    Supplying garage with power

    Evening I am supplying a garage which is 14 meters from the house (House is TNCS), I will be taking the supply from a non - RCD protected 32A MCB using 6mm SWA cable buried. I will not be exporting the earth, so will installing earth rod - TT at the Garage, protected with a 30ma RCD and 2...
  13. D

    Multiple Oven Installation

    Hi all, Been to look at some work my brotherinlaw wants doing in his new kitchen re-fit. He is yet to supply me with all the specifications, so I can't do all the calculations as yet, but basically he wants to have an induction hob, two seperate single ovens, a steam oven, and built in...
  14. G

    Supplying flats with T&E

    7 flats, 8 seperate DNO Meters with contractor isolators for each. Lovely up until now. Then the tails to the seperate flats are wired in 16mm T&E which I absolutely hate as the earthing conductor is not sufficient in my opinion. Thoughts?
  15. H

    RCCB's RCBO's

    In a commercial premises, I was called to recently, the power had tripped off. It turned out it was a SON lamp which was causing the problem. This tripped the 30mA RCBO for the lights and also the main 30mA RCCB below DB 3, which in turn meant other essential circuits i.e. chilled food cabinets...
    • Hawk
    • Thread
    • electricians' talk rcbo rcbo's supplying
    • Replies: 2
    • Forum: UK Electrical Forum
  16. G

    Supplying distribution board regs

    Hi, recently done quite a big house rewire, which required 2 distribution boards. The house has a 3 phase supply with the distribution boards located in cupboards directly above each other. I supplied the boards with 2 separate pairs of 25mm double insulated tails and used trunking to house...
  17. B

    Sockets supplying appliances in kitchens. Do they HAVe to be remotley swithced??

    Gents (and ladies of course). I have a new ring final to put in for my daughter in a new flat this weekend ( doing it through LABC of course.. £100 for the privilage too!). The existing ring final serves the whole downstairs and overloads when she has everyting plugged in/turned on (new baby...
  18. H

    Supplying electric 400 metres away

    Does anyone have experience of providing a 63A supply from the meters to two separate buildings some 400 metres away. Armoured cable will be used in underground ducting to two buildings about 50 metres apart from each other. These buildings will be on reclaimed ground from the sea with the sea...
  19. E

    Do you have to run separate earth with SWA which is supplying a D/B

    Do you have to run separate earth with SWA which is supplying a D/B. Ive done the tests and the steel wire is good enough for earth. This job was done last year. Its for an industrial EICR
  20. S

    solar cowboys report or not

    100A Square D QOE Isolator on dist board with 25mm tails from service head (100A), then a 16mm sharing the incoming side of the isolator to a 2nd DB. The dummy then sticks a 6mm2 in along with them to a 63A RCCB for solar DB......... NICEIC reg. company apparently. Guess he couldnt fit...
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