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distribution

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  1. A

    Magnets on a metal clad distribution board

    What is everyones opinion about fridge magnets being used on a consumer unit? I understand edi-currents and that it’s not recommended, but is there solid reasoning why? Just for some context, I work for a large housing association in the West Midlands UK completing the electrical safety...
  2. M

    Can QR codes replacing the traditional Distribution Board Schedule?

    QR Codes have been around for 20 years and have pretty much been successfully used in special cases - scan the code to view the information or website. Since the beginning of the COVID-19 pandemic outbreak and the need for touchless access to information (think menus) and NHS tracking apps, the...
  3. G

    DC Rocker Switch Panel Issue from Power Distribution Center

    Hey everyone - new to this thread so thanks for having me. I have an issue with my DC power in a small truck camper. I have 3 accessories plugged into 5 pin rocker switches on a single panel. I have daisy chained the neutrals together and the positive is fed to the power distribution box (WF8700...
  4. Designmen90

    Customer distribution board

    Does anybody read 61439-3 normative? There wrote: "Verification of the cabapility of the CDB (customer DB) to withstand a 16kA fault". Does it means that all CBs (lighting, fridge, climate, oven, etc...) in any houshold DB should be at least 16kA?
  5. J

    Camélia a Mechanical calculation software download link

    Hello, I would like to download Camélia a Mechanical calculation software for overhead distribution lines. can someone have it's installation or link ??
  6. 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?
  7. 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...
  8. Devil7

    Sub mains / distribution circuits

    Hi all, new here, just looking for a few pointers. I'm not doing this, just keeping my brain active in these weird times with things i've not learnt yet. How do you calculate cables etc for a single phase sub main (to a garage for instance) - is it the same as a cooker? Ib> In> etc etc?? TIA
  9. J

    IMMIGRATE (uk->nz)

    Hi there folks, names Jimmy, new to the forum. Am just after any advice anybody has or any contacts anybody has regarding resettlement in NZ from UK on the overhead distribution networks. My self and my family have discussed about immigrating to New Zealand for some time now and it’s time to...
  10. LewisM

    Fire sealant for back of distribution board?

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

    What building can I put 3-333kva, single phase distribution transformer?

    What building can I put 3-333kva, single phase distribution transformer?
  12. S

    LV Distribution Feeder Queries

    Hey there everyone, I'm currently an EE student doing my 4th year project. As part of my project, I am carrying out a literature review into the design rules DNOs apply to their LV distribution networks. I am trying to built up a reasonable understanding into how these networks are laid out...
  13. C

    UK Distribution

    Hi guys, just wondering if anyone has an alternative way of fusing sub mains other than fitting an MCCB panel? Basically I have a sub main to a laundry block, and one to a toilet block. There may be a db fitted next to the proposed panel in the future so I need to leave allowance. I can’t think...
  14. 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...
  15. timhoward

    Multiple distribution boards and earthing arrangements

    Hi all, first post, and it relates to quite a challenging installation. The short version is that I'm working through remedial work on a 75 page EICR on a site with 24 distribution boards, hit a very nasty C1, have resolved it, but now have max Zs issues that were actually there before but not...
  16. 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)
  17. 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
  18. 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...
  19. Dean. Sinnett

    Cctv distribution to tvs

    Hi, I have been asked to distribute a Cctv system to multiple TVs in a customer property. What modulator would be best to do this as there are eight TVs in the property. Any recomerecommend will be appreciated as it's not a regular task for myself. Thanks
  20. A

    distribution power supply advice aprreciated

    I am hoping someone will have the knowledge, I have a pole in my garden to which I would like to take a 60amp supply to a new build plot. The supply is an 11kv supply 0.05 cu cable, over a distance of 120meters and currently supplies 3 properties,does it have the capacity to take a 60amp supply...

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