Consumer Units, RCDs, MCBOs

188 topics in this forum

1. New house rewire 1 2

   By Pappa, May 3
   • 27 replies
   • 890 views
   • 
   • Great_scot_selfbuild
   • May 6

2. Electrical recommended suppliers…

   By Chris HB, April 28
   • 12 replies
   • 318 views
   • 
   • Alan Ambrose
   • April 29

3. Best way to fix this mess 1 2

   By Alwayslearning22, March 26
   • 42 replies
   • 1.5k views
   • 
   • SimonD
   • March 30

4. Shed Electrics

   By GrantMcscott, March 23
   • 5 replies
   • 445 views
   • 
   • Nickfromwales
   • March 24

5. X3 Immersion heaters on a single radial 1 2

   By RedSpottedSev, January 11
   • 40 replies
   • 2.5k views
   • 
   • Mike
   • January 24

6. Post getting an EV charger fitted

   By Tennentslager, October 5, 2025
   • 9 replies
   • 1.4k views
   • 
   • Marvin
   • January 17

7. Ring final earth leakage fault-running out of ideas!

   By FlatMax, November 23, 2025
   • 22 replies
   • 1.8k views
   • 
   • andyscotland
   • November 27, 2025

8. How much space do I need for CU units and isolators in an external box?

   By Jess Shannon, November 4, 2025
   • 1 reply
   • 1k views
   • 
   • Kelvin
   • November 4, 2025

9. Consumer unit replaced. Certs needed?

   By BotusBuild, October 30, 2025
   • 18 replies
   • 1.5k views
   • 
   • andyscotland
   • November 3, 2025

10. Static caravan / electric kiosk / STP Blower unit?

    By flanagaj, October 18, 2025
    • 1 reply
    • 1k views
    • 
    • dpmiller
    • October 19, 2025

11. Best way to get new supply to house.

    By lizzieuk1, July 27, 2025
    • 5 replies
    • 1.8k views
    • 
    • ProDave
    • September 17, 2025

12. Consumer Unit - First Floor Location?

    By Duncan62, September 9, 2025
    • 2 replies
    • 1.5k views
    • 
    • Duncan62
    • September 9, 2025

13. Backing board for CU - ply allowed?

    By jfb, May 29, 2025
    • 6 replies
    • 2.2k views
    • 
    • ProDave
    • May 29, 2025

14. Can the DNO cutout be located inside? 1 2

    By WisteriaMews, May 10, 2025
    • 29 replies
    • 5.2k views
    • 
    • Nickfromwales
    • May 19, 2025

15. 4 consumer units on a single supply

    By JonChas, March 3, 2025
    • 20 replies
    • 4k views
    • 
    • Alan Ambrose
    • May 11, 2025

16. Conversion from TT to PME

    By jpadie, April 6, 2025
    • 7 replies
    • 2.5k views
    • 
    • Mattg4321
    • April 6, 2025

17. Smart meter external aerial last ditch attempt?

    By SuperJohnG, October 7, 2024
    • 20 replies
    • 5.3k views
    • 
    • SuperJohnG
    • February 28, 2025

18. One light circuit is tripping the system. what to look for? 1 2 3 4

    By saveasteading, December 18, 2024
    • 75 replies
    • 16.7k views
    • 
    • G and J
    • January 15, 2025

19. Exporting to a second distribution board

    By jpadie, November 26, 2024
    • 5 replies
    • 3.1k views
    • 
    • jpadie
    • January 10, 2025

20. Consumer Unit choice? 1 2

    By BotusBuild, January 1, 2025
    • 39 replies
    • 7.4k views
    • 
    • FuerteStu
    • January 8, 2025

21. Please help identify this DNO fuse

    By sharpener, January 8, 2025
    • 4 replies
    • 2.5k views
    • 
    • sharpener
    • January 8, 2025

22. Cable identification between consumer units

    By Sparrowhawk, December 13, 2024
    • 8 replies
    • 3.1k views
    • 
    • ProDave
    • December 26, 2024

23. LED strip causing MCB tripping! Reason?

    By markharro, December 15, 2024
    • 9 replies
    • 3.1k views
    • 
    • Mike
    • December 21, 2024

24. Found out office has a spur off a spur off a spur. How do I make this safe?

    By GeoffSmith, December 7, 2024
    • 3 replies
    • 2.5k views
    • 
    • joth
    • December 7, 2024

25. Smart Meters and Preparation for Eventual EV Charger

    By MJNewton, August 28, 2024
    • 5 replies
    • 3.3k views
    • 
    • MJNewton
    • October 9, 2024