split

  1. S

    Split concentric cable

    Can anyone tell me what table to use for CCA of split concentric in BS 7671?
  2. G

    Split system wiring, with wild leg

    Hello, my name is Bruce. I'm a store owner trying to understand the wiring involved to install my split system. I have some electrical experience nothing professional. I observed and learned as much as possible when my building was built. Panel: 3 phase with wild leg Outdoor unit...
  3. V

    sizing neutral on a split phase 180 deg

    Hi, looking at installing a sub main down to a field to supply caravan hook up points. the supplier has stated they are installing 2 x 100 amp split phase 180 degrees apart. not worked on 460v/480v split phase - my question is how do i go about sizing the neutral. i plan to run a steel wire...
  4. J

    Existing split load 17th Install RCD question

    Customer has a large metal caravan with three phase supply feeding 3 metal Consumer units with split load RCD outlets contained within - all circuits originate form a RCD. The Boards are then fed from a TP isolate a few feet away, the earth is disconnected on eth SWA and a rod installed near...
  5. nyDIYelectric1

    Can one 12/3 wire be split into three (or more) 12/2 wires using pigtails?

    Working on an electrical drawing and wondering if I can split a single 12/3 wire (blue&red together) into three 12/2 wires (2 blue & 1 red separated) using pigtails at an outlet so that the wires can travel in three separate directions as in fig 1? The wires attach in pigtails as represented in...
  6. J

    How does this outlet box work? How to split a cable?

    I want to install this set-up on my terrace (the plug goes into a dry closet). E.g the outlets are permanently installed, but the plug for them I'll just disconnect when not in use. The wire is 1,5m2, and will only be used for phone charges and lightning so having both outlets on one wire is...
  7. Z

    EICR report on split property

    Hi, I need to get an EICR report done on my dad's rental flat. However, there is a possible complication due to the fact it does not have it's own independent electrical supply. The third floor of his house was split into a separate flat in the 80s - due to the high cost of getting a new supply...
  8. N

    how to take supply from split rcd board without rcd protection

    how to take supply from split rcd board without rcd protection. basically need a non rcd protected supply to feed shed which will have its own rcd ?
  9. vini

    RCD tripping on split board, strange one

    I'm not even sure if I can properly explain this one. When the shower is switched on the RCD (1) on the other side of the board trips. The shower continues to work fine and when they come out they reset the RCD until the next person needs a shower. When the hoover is switched on and plugged...
  10. J

    Split con submain

    Ok I'm not a practising sparky but I'm not a clueless diy'er either. Please don't start dissecting me.. We have got a couple of barn conversions to holiday lets happening at the moment. One is a single barn that has been designed so it can be let out as one single house or two mini house. Two...
  11. P

    Hager split load board - 1 RCD tripping but not the other.

    Hi folks, My first post so hello! I’ve just put in a Hager 10 way split load CU at my in-laws and a new main isolator switch. They previously had an old rewireable fuse board, supply is via a 60A fuse and TT earth arrangement. No issues previously that I’m aware of. I didn’t get time to do any...
  12. robertl

    UK 3 phase inverter welder from Split Phase / Bi Phase supply 480v

    Hello all, I have discussed my power install before as i am sure a lot of you will remember as it is quite different to a normal setup. I have a split phase / Bi Phase system, 2 phases coming into the workshop from a center tapped transformer. 240v phase to neutral and 480 phase to phase. I have...
  13. M

    UK (IMAGES) Connect 20amp Isolator Switch (For Split AirCon) – Need Help.

    Images Now Included. Hi there, a new DIY member here based in Hong Kong, where getting reliable electricians can sometimes be a challenge! I've been finishing off a rennovation project and one of the last jobs is to attach a 20amp isolator switch for an indoor split AC unit (Panasonic). The...
  14. T

    Date of install of Square D split load board

    Hi all and everyone, Newb poster to the site here, So hope I’m not asking a question that’s already been answered. Went to a job this week to survey for a consumer unit upgrade, and The current consumer unit (board) And all the fixed wiring were installed at the same time. (So says the...
  15. 4

    Split Consumer Board - R side RCD switching off L side cicuits

    Hi folks, Would appreciate some thoughts. Called to a friend's house earlier in week. No cooker or sockets. She said that the cooker had tripped a couple of times when she tried to set up the electronic timer either before or during use. Timer needs to be live to allow electric oven to...
  16. Thenoob

    How to make y split extension

    So I am building an extension in my shop to run some 30 amp appliances and I just wanted to split the outlet and make a Y like this product Would I just use a junction box and then take some wire nuts and connect the 3 + together then the 3 - and finally the 3 grounds? Then just wire up the...
  17. S

    I know your not suppose to but in a split rcd DB can you change one of the rcd breakers for a normal breaker?

    I know your not suppose to but in a split rcd DB can you change one of the rcd breakers for a normal breaker?
  18. K

    UK RCD keep tripping.

    Hi All.. I have a 16mm 3 core swa feed a 9way split board in shed, 30m from incomer .. from the split board I have run a 10mm 3 core swa to 2 way board for hot tub. This has a 63amp rcd in it.. the other end at the split board is also a 63amp rcd on its own of one side of the split board.. this...
  19. S

    Are 30mA split load consumer units non compliant under 18th edition

    Hi All, Just wanted to see what peoples opinion is is installing a 30ma Split load board compliant/ non compliant under the 18th Edition or you have to use RCBO's for each final circuit? BS7671:2018, Page 155 regulation 531.3.5.2 is a note which says on TN systems which states " Exept where...
  20. robertl

    UK 480v Split Phase, new workshop, VFD's required

    Hi All, I've posted on here before about this, that time i was asking what people thought about phase converters as at that point i thought i could only get a single phase line at 100a for my new workshop. Turns out that after the DNO visited the site i can get a Split Phase connection put in...
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