distribution board | Page 3

distribution board

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  1. 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...
  2. L

    Distribution board question

    Hi I've been looking at a drawing of an installation. It says it's a 4 way 32A HRC fuse distribution board. Way one is a three phase load and has 40A fuses on each of the phases. The second way has 3 single phase circuits fused at 16A Each, the others are spare. Is it me missing something or...
  3. K

    Query - Distribution Board to Isolator

    Hello! Im an AC/Fridge Engineer just gone Sole Trader. So Im trying to price up an AC install package for Domestic and Commercial Customers and im scratching my head when in comes to the cost of wiring some Twin & Earth from the Distribution Board to an Isolator on the Outdoor unit. First of...
  4. S

    Maximum breaker size for DB (solar PV)

    Hi, Can anyone point me in the direction of the regulation / code for the max solar MCB size when connecting into a spare way of a local distribution board ? Eg. Is it possible to connect a 100A breaker into a 100A board ?
  5. D

    Distribution Board Height in a Small Cottage - Full Rewire

    Right doing a job for my registration assessment so got to get it spot on. Job is an old cottage but been stripped right out and complete rewire. Am I correct in saying the dB hight has to be at the same hight as light switch? Seems far to low if u ask me.
  6. Andy C

    RCB or RCBO in a Distribution Board.

    I am getting back into the electrical game after a few years and wondered what peoples thoughts are on the above. I am happy installing fully RCD protected DBs or Split boards but the use of RCBOs I had never seen. What are the main reasons/advantages/disadvantages for using them? I know they...
  7. L

    Distribution board checks

    Hi I have a question regarding switch boards and distribution boards. We have an existing switchboard and we want to use four spare ways in this to feed three new tp & n distribution boards. One for lighting one for small power one for security services. My question is what calculations have to...
  8. C

    Contactor controlled distribution board via emergency stop

    Hi. Im looking for the best advice for wiring an emergency stop circuit controlling a dis board via a contactor. This is a dis board feeding circuits in a workshop so the whole dis board must be de energised when the stop button is hit. The problem being the contactor is fed from the dis board...
  9. M

    Distribution Board, Blakley, MDA, 1600A 4P Incoming MCCB

    Hi everybody! We are selling used Standard 1600A Mains Distribution Assembly In order to maximise the flexibility of standard high current MDAs, the incoming and outgoing MCCBs incorporate electronic trips, which can be easily adjusted on site from 40% to 100% of the nominal rating. The...
  10. C

    Distribution Board

    Hi, i have a supply from my main DB in the house supplying my garden shed. The garden shed has a small DB supplied by SWA. I would like to use the shed DB to supply my summer house and then from the summer house onto an additional shed. Obviously, I realise there are other factors to take into...
  11. J

    Running a submain through distribution board, right or wrong

    Hi I've been pulled today for installing an swa glancing into the top of a header trunking then taking it through the db, saying its against the regs saying a once a main sw is off the whole db has to be dead, I can't find a reference to it, normally I would always gland it in the bottom of the...
  12. M

    3 Phase Distribution Board Explanation

    Hi, Would anyone be kind enough to explain how a three phase distribution board works? What I would like to know is: How can you identify a three phase distribution board without removing the case? If you have labels marked L1, L2, L3, would these generally be for each phase? Can one of the...
  13. O

    TPN Distribution Board and MCBs

    Brand New Dorman Smith Load limiter 63 12 way TPN Distribution Board. Comes with 125A Switch 13 x b6A Single pole MCB 1 x b10A Single Pole MCB 1 x b16A Single Pole MCB 11 x B20A Single Pole MCB 4 x b32A Single Pole MCB 1 X b6A tp MCB 1 x b10A tp MCB 2 x b20A to MCB Currently having a clear...
  14. T

    Ryefield Distribution Board Keys Needed

    Hi all I am a meter engineer for a leading meter operator, I am trying to source set of Ryefield distribution board keys, obviously without stealing them as I come across them. I have tried all the electrical wholesalers, websites ebay, gumtree etc.. does anyone now where I might b able to...
  15. L

    Distribution board

    We are replacing a single phase lighting DB with a 3 phase DB. We are also replacing the cable that goes from the substation to the DB. This new DB will be used for lighting circuits( we will change existing for LEDs) and we will leave spare ways. My question is how do we size this new cable...
  16. Sonia Norman

    distribution board

    Hi I was wondering if anybody has come across black stub slv? My mums church consumer unit is a nightmare. All of the connections are black stub slv, with half on them not marked as live. Thats ok for the ones that were already connected in the board. But in the board were some wires just...
  17. J

    Distribution Board Rating

    Hi , quick question , in my thoughts requires a quick answer 160amp fused switch feeding existing Hagar panel board fine no problem with that My superior wants to install a new 125amp rated DB fed from same switch ? I don't I would want to see a board rated at 160amp or above Thoughts please
  18. S

    Grid Tie Inverter wiring to AC Distribution Board

    Hi all, First time poster here! I am looking for a wiring diagram for the connection of a SMA SB3600TL to the AC distribution board. Could anybody point me in the direction of one? Thanks in advance, StudentX
  19. R

    help required - max demand after diversity 100a with a 100 distribution board

    Hi, i am attempting to do the 2396 exam and in the process of doing a practice paper. Qu. A distribution circuit is to be installed using a new three-phase and neutral 100A distribution board within an industrial installation. assumed demand per phase is 100A following the application of...
  20. Gazthesparky

    Thoughts on distribution board upgrade

    Got called out to a hairdressers yesterday after they were receiving shocks from a hair straiteners Got there to find a single phase consumer unit no RCDs in site and no main earth or bonding at all So remedy that by putting a temp earth rod in and bonding to water and gas I have said that...

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