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  1. D

    Hagar rcbo’s in three phase board

    Has anyone had this issue before ? Was working on a three phase board, when I took the cover off I noticed a black spot on one of the rcbo’s. it happened to be smouldering and started to catch a light. I noticed another rcbo smouldering too. I instantly turned off the main switch as one of the...
  2. Chizzle

    Fuse board protection against fire

    Hi guys interested to know what people on here use to keep the fire integrity off the fuse board for rear entry cable entering the board. Thanks
  3. W

    new circuits onto an AMD3 board with RCBO's - ref 18th ed?

    Hi, I am planning a house extension and will need to add 3 more circuits to my existing board. My current set-up is a metal CU with all circuits on RCBO's. Will I be able to add circuits to this board under 18th Ed or will i need a board swap to make room for all the extra surplus surge...
  4. L

    UK When replacing a board do you need to check every socket?

    Hi guys I recently had an electrical safety test and the electrician said he needs to replace the board because it's quite old. The electrical board and all other electrical stuff is outside of my house in the landing. My question is, when replacing the board, does the electrician have to come...
  5. A

    Board change

    Hi. What is the best way of joining a 10mm2 cable in the rear of a consumer unit (shower cable too short). I used a 60A choc block screw connector, but is there anything better suited? I use the yellow 6mm2 insulated crimps for 6mm2 cable Thanks
  6. HappyHippyDad

    Will RCBO's fit this MK board?

    I need to fit some RCBO's into this board. I realise they don't fit in place of the LN range but these don't say LN on them and it doesn't look like the old LN MK CU I have in the shed. Will they fit? Cheers all.
  7. R

    Sub Board fed from a plug top, EICR Coding

    I recently undertook an EICR report for a small house and the conservatory extension had a separate fuseboard which was fed from a 13A plug top. Obviously this is not ideal but when coming to code it I couldn’t describe why it is any more than a C3. The main distribution board feeding the...
  8. D

    What is it with house bashers racing to get a board done

    Another ‘let’s see how fast I can go’ board change ... testing ?
  9. Zerax

    Best AFDD board as of Nov 2020

    So if a customer really really wanted a board with AFDDs in... what's the best RCBO/AFDD solution out there right now ? I can only find Crabtree and Wylex, but I guess there must be others now too ?
  10. Designmen90

    Meter Board

    If I get 4x70mm2 from substation to my Meter Board, and then I have N and PE busbar, should I install 3ph SPD or 3Ph+N (surge protection device), because it's TN-C-S? The N and PE busbars are bridged in board. If I install 3Ph+N and overvoltage occurs on one of the L1,L2,L3 phases I'm afraid...
  11. JBW175

    UK Need an RCBO to fit an old Crabtree board, any suggestions?

    Hi all, As the title suggests, I’m after an RCBO to fit an old Crabtree CU. Was wondering if this style would do it? All suggestions appreciated, thanks in advance.
  12. 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?
  13. J

    UK Dis board position change and upgrade, cable compliance issues

    Hi, I think I may have helped hold the gun in the shooting of my own foot… Been combining TP dis boards into a single board, after a workshop extension. Quite a few 4 core 1.5mm SWAs feeding fixed equipment, like TP drills lathes and the like – all fed via 16A breakers on the old board. Lots...
  14. S

    How to cover up a cable partially exposed over a skirting board?

    I'm in the process of renovating a 1970's bungalow with a garage underneath. The electrical consumer unit is in the garage and there are multiple hidden cables in plastic conduct fully chased going from the floor to the ceiling in living room above the garage taking the electrical cables to the...
  15. 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 ?
  16. Pretty Mouth

    Plaster board faced insulation - making good?

    Hi all. I'm after some practical advice please. Got a job to quote for, fitting a couple of gimbal downlights in a sloping ceiling in an attic room. The construction appears to be PIR (celotex or similar) insulation between rafters, with plasterboard faced PIR insulation over the rafters...
  17. 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...
  18. S

    Problem with mcbs in wylex NM506L board.

    I bought the NM506L from Superlec and specified the current rating for the mcbs to fit it What they supplied are Wylex PSB mcb's and they don't fit, at least they misalign with the switch by 4 mm and you can't put the cover on. Can anyone tell me what mcbs I should be using. I never thought...
  19. A

    Garage board

    Hi. When certifying a small 2 way garage board. Do I carry out ze at the origin of supply or should I record a zs db reading in the garage? Same question regarding the fault current and short circuit current aswell should it be taken from garage or origin of supply?
  20. J

    Pattress boxes with no board on one side to clip to?

    Probably a simple solution to this but dumbo here hasn't found one yet. Wonder what you guys do in situation where need to fit pattress box but no plasterboard one side to clip to and no option for metal back box as plasterboard on other side of wall. Is there any other types of boxes can use...

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