distribution | Page 3

distribution

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  1. 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final circuit going down when the fuse wire burnt out due to s faulty socket outlet had burnt out The socket face had been replaced by the customers...
  2. C

    Bus Bar Ampere Rating of MCCs, Sub distribution Panels

    Is it mandatory to have the bus bar rating equal to the Ampere Frame (AF) of the Incoming Breaker (MCCB) in the MCC, sub distribution panels. Is it okay to have the bus bar rating equal to the AT ratings?
  3. 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...
  4. 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 .
  5. J

    Cable entry question

    Hi all, I am installing a new 3 phase DB and 110V DB. The current installation needs new DBS due to thier age and condition. The cables used are all singles and ran in galvanised steel trunking and I am not replacing the single cores used. My question is, is it alright to cut out a section in...
  6. Arkenbang

    Are there any TT LV wooden pole monkey power distribution sparks on this forum ?

    If there is, maybe you can help me identify what these new boxes are that have recently appeared on all the overhead LV distribution poles/lines located in Devon.I have never seen them before on any overhead power distribution systems. Cheers.
  7. R

    TV distribution for block of flats

    Morning all, I need to split a TV signal for a large block of flats. Does anyone know who might make a large tv amplifier (4g coax)? the largest I've found is 8 ways. I don't mind taking a feed to 3 different 8 ways but I just wondered if there was a larger unit out there?
  8. 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
  9. 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...
  10. 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...
  11. D

    Distribution circuits

    Good Morning I have a series of Henley blocks suppling db’s. Henly block are protected by an bs88 63amp fuse. We have a 2.5mm 6181y cable feeding a isolator which in turns feeds a fire alarm panel, this 2.5mm cable is around 0.5 metre long and within the fire alarm isolator, there is a 20amp...
  12. 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...
  13. 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...
  14. 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...
  15. D

    Mains distribution upgrade work, 3 phase,old isolators, steel conduit & trunking providing CPC

    Hello everyone I'm picking up some remedial works from an EICR fail in a commercial property. Its a 3 phase supply with old steel conduits , trunking & coupled metal equipment, that provides the earth to the various locations. At present the earthing is insufficient, every earth in the...
  16. 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...
  17. 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...
  18. A

    Distribution boards

    Hi guys. Was wondering if I could get some advice on getting 3 phase distribution boards neater. I am not a fan of cable ties though. I loom all conductors together and sweep conductors into the terminals. I was considering panel trunking to get a neat finish. Any Ideas?
  19. A

    Audio Distribution System Recommendations

    Hi All, Was hoping if peeps can give me some advice. I have an upcoming installation, 5 bed house new build and the customer has requested for the full works, electrics, tv, sat, data in every room, 16 channel CCTV (possibly home automation) and lastly mentioned about an audio distribution...
  20. T

    New Distribution Circuit to existing consumer unit

    Do not know all details but Contracts Manager we know has had EICR done (not seen it yet) but the attached garage has a socket in it not sure if it is on ring or just spurred off ring into garage but a plastic 2/4 way PLASTIC consumer unit has been installed fed from this circuit containing 2 x...

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