distribution board

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  1. J

    3 phase distribution board

    I’ve got an old DB at work that I’ve had a look at and can see they’ve used the main earth into it and tied it to the neutral connection at the board is this correct?
  2. SJD

    Solar isolator (to distribution board)

    I don't do PV, so not overly familiar with specific regulations. Yesterday I was changing a consumer unit, and the isolator for the PV was adjacent to the consumer unit. Due to needing a bit more space, I had to move this isolator a few cm and noticed it was single pole, switching L only. A...
  3. LewisM

    Fire sealant for back of distribution board?

    Anybody recommend a good intumescent sealant that can be applied directly to PVC cables?
  4. P

    Unknown MEM distribution board

    Can anyway identify the board and MCBs from the pictures? This installation is in a house in Tanzania - the actual installation has a much bigger 3 phase version in another house which I am helping to fix. These old boards used to be imported from China until about 2010. They are no longer...
  5. Steve888

    Industrial distribution board

    Hello I have a new warehouse with 100aA three phase supply. Can you recommend a switch board ? If any of you is near Coventry you can quote me for the full installation (lighting, sockets, etc)
  6. L

    Otter mill Distribution board

    Hi, Does anyone know if there is a direct replacement for Ottermill system T MCB’s as from a quick search the company went out of business circa 2004? Thanks
  7. Simon-0116

    spd on 3ph distribution board

    Priced a job to change old 3ph board from pictures alone. No the firm so jobs good. Get there and situation is no spd fitted on existing. So I was going to fit one to my new db in trunking at side of board fed of 32a breaker. Will this act / cover / work for the whole site. Layout is main...
  8. L

    Distribution board question

    hi guys Question for the knowledgeable on here, I went to look at a possible board change last night after the couple had experienced the ring final circuit going down when the fuse wire burnt out due to s faulty socket outlet had burnt out The socket face had been replaced by the customers...
  9. soms

    RCBO for old Square D distribution board

    Hi, A relative has moved into a flat with a mid-80's Square D QO1 12F distribution board, which has MCBs on all outgoing ways. There are proposals to update the kitchen with a desire for some additional socket outlets. To meet the requirements of Part P and by extension, BS 7671, RCD protection...
    • soms
    • Thread
    • board distribution distribution board old rcbo square
    • Replies: 21
    • Forum: UK Electrical Forum
  10. J

    3 or 4 Pole main incomer?

    When ordering a 3 phase + Neutral DB, I forgot to specify that I wanted a 4 pole switch for the main incomer. What came was a 3 pole main switch with neutral link. My question is why would you opt to use a 3 pole and neutral link instead of a 4 pole switch? Surely a 4 pole switch is always...
  11. J

    Confused about the terminal numbers in a distribution board

    Recently I’ve started my level 3 electrical course but get confused with what the numbers mean for the earth and neutral terminals .
  12. I

    Help needed to review quality of distributer box installation

    Hi everyone, I just had my distributer box upgraded to an RCD box, and I was wondering if anyone could advise me on the quality of the work done here. I know that changing these boxes is a nightmare to do, and truth be told our wiring was a mess before, but for the price we payed I don't...
    • Isaac k
    • Thread
    • box distribution board installation needed quality rcd review
    • Replies: 200
    • Forum: UK Electrical Forum
  13. MFS Electrical

    Old Dorman Smith Distribution Board

    anyone got any pics of the old dorman Smith DBs (don’t know if they were the screw in terminal or the Stablok ones)that used to have the exposed bus bars in the bottom right hand corner was trying to show the apprentice earlier but couldn’t find one anywhere
  14. R

    Stupid question re: moving distribution board

    Firstly, I am not going to do any of this myself as I know my limitations! I have got costs for my distributor and supplier to move my feed/meter positions and need the tails moving (obviously) and distribution board moving as well. My question is does the electrician, generally, simply put...
    • ranger
    • Thread
    • board distribution distribution board moving question stupid
    • Replies: 18
    • Forum: UK Electrical Forum
  15. F

    New distribution board problem

    Hi. I am looking into having a replacement distribution board / consumer unit fitted into my home. My problem is that I live in an area where thousands of swans overwinter and breaks in power supply can on occasion happen frequently in any 24hour period . With my current wire fuse system this is...
  16. M

    Need some help/guidance on 400A distribution board

    Morning! Trying to decide on the most appropriate/cost effective distribution board? Supply: 3 phase 400A Circuits: 7 x single phase (16 - 60A) 1 x 3 phase (80A) + 6 single for future proofing Setup: Main supply comes into pump house where fuse...
  17. D

    Distribution board tails

    Just a quickie, if the cut out fuse and head is rated at 63amp can you still use 16mm tails for a 6way board. The reason for asking is, I have to change a board in a old flush internal metal cabinet and there is next to no room inside due to the meter and cut out taking up most of the space, its...
    • Deleted member 93172
    • Thread
    • board distribution distribution board tails
    • Replies: 11
    • Forum: UK Electrical Forum
  18. M

    Glanding 3 phase into metal distribution board.

    Quick question, have a small caravan site to wire up. Have 3 phase supply and TT earthing, 30ma RCD in each individual pods. Was planning on using a 100ma type S incomer in the main DB to protect the sub feeds. ( this should stop a dodgy caravan tripping the whole site being 100ma time...
    • -Matt
    • Thread
    • 3 phase board distribution distribution board metal phase
    • Replies: 38
    • Forum: UK Electrical Forum
  19. A

    Low level distribution board located in toilet.

    Hi Guys I need your thoughts on a job which I’ve been asked to quote for. This is a commercial shop and I’ve being asked to install a toilet and hand basin right next to the distribution board. There is a cupboard around the distribution board however this is low-level. Would this meet...
  20. G

    Hi Ze at distribution board, how would you approach?

    Hi all, Looking to exploit (please) those older and wiser lol. I was asked to extend / relocate a cooker circuit (6mm t&e) and did so no problems. I then started doing the minor works, R1+R2 came in at 0.05 ohms so was perfect. However, I then went to do do an Ze at the board and get very high...

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