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  1. D

    Installation in a wooden building.

    Evening.. Just pricing up for a full rewire of a 3 storey fulley wooden building, just wondering if there are any special considerations to adhere to? I have seen the fire putty and intrumescent sleeves for the back of sockets, but wondering if these are required or just recommended. Cheers
  2. D

    RCBO tripping advice.

    Hi thanks for the advice, it's a Hager CU.
  3. D

    RCBO tripping advice.

    Evening All...I've not posted in a while which is a good thing as I can now work most things out myself!! Just a bit of help needed with this one though!! I have two consumer units, both have a mixture of MCB's and RCBO's on one of the consumer units the RCBO's are tripping randomly (The...
  4. D

    Calculate 3 Phase MCB size

  5. D

    Calculate 3 Phase MCB size

    40 amps to supply 4 way board. Way 1 12 kw Fryer..3 phase 16 amp mcb (Thinking diversity will bring it below 16amps) Way 2 6 kw Grill...3 phase 10 amp mcb way 3 L1 16 amp socket circuit L2 10amp for 2.2kw water heater L3 Blank Way 4 L1 Blank L2 6 amp Lights...
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    Calculate 3 Phase MCB size

    So further to this, I need to calculate the cable size for a 40amp 3 phase MCB. Do I just base it on the CSA per phase i.e 6mm?
  7. D

    Calculate 3 Phase MCB size

    Hi..I should probably know this but don't do too much 3 Phase stuff!! Can anyone give the formula for working out the size of a 3 phase MCB? I have a 12kw 3 Phase fryer to install. Cheers
  8. D

    3 consumer units off one 3 phase meter.

    Cheers, thought as much!
  9. D

    3 consumer units off one 3 phase meter.

    Evening..Just wondering if it's acceptable to run 3 separate consumer units off one 3 phase meter, I have seen 3 consumer units off 3 meters on a 3 phase supply many times but never off 1 meter? Cheers
  10. D

    RCD nuisance tripping headscratcher.

    Have done all the RCD testing..passed ok. I'll get myself a earth leakage clamp meter if that's the only way of finding this fault.
  11. D

    RCD nuisance tripping headscratcher.

  12. D

    RCD nuisance tripping headscratcher.

    I have been out to a nuisance tripping RCD this morning, there are 3 socket circuits, 1 boiler circuit, and 1 oven circuit protected by the RCD. I started by checking the IR between L-E and N-E, the reading was between 2 and 3 M ohms on every circuit and leg. I then disconnected the CPCs for...
  13. D

    Moving a consumer unit.

    As all EICs are!
  14. D

    Moving a consumer unit.

    Question.. If a consumer unit needs moving by 1 metre and all the cables need to be jointed through, is a full EIC needed as if its's a consumer unit replacement? Cheers
  15. D

    EICR code?

    Part 1.2 on the EICR 'condition of service head'
  16. D

    EICR code?

    Part 1.2 on the EICR 'condition of service head'
  17. D

    EICR code?

    I didn't say it requires improvement, I was asking the opinion of the forum, but now you have asked, it just came to my attention because of the age of it.
  18. D

    EICR code?

    C3..service head requires improvement or not??
  19. D

    Help with EICR codes!!

    Well I just misread it!!
  20. D

    Help with EICR codes!!

    Well blow me down...every day's a school day!! I'm a bit young for 15 edition, started on 16th.

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