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  1. newfutile

    My alarm panel is going into alarm when entering the premises

    Make sure the zone is set to entry exit,you might have it set to Immediate,on some panels it might be only 1 zone can be entry exit,also you may be walking though another immediate zone without it set to walkthough
  2. newfutile

    How To Wire A RV Rotary Cam Selector Changeover Switch

    That switch would be hard to wire as it switches different contacts with no common, you also need to make sure they are break before make switches,as well as suitable for the loads involved
  3. newfutile

    Proteus Fuse Holder replacement to RCBO

    Apart from how you extend all the cables
  4. newfutile

    exceeding voltage drop

    C2 but for not meeting disconnection times or max ZS. Even the supply cable a BS88-3 80 amps has a max ZS of 0.4 ohms 80% value
  5. newfutile

    TT advise

    I can't see you ever getting a low enough Ra or ZE to meet disconnection times on a fuse or mcb, have you asked if they will pme the supply? A line to earth fault in the swa may never clear in any time.
  6. newfutile

    IR reading

    Sounds like water ingress to me,any outside lights or steam from showers or cooking?
  7. newfutile

    Hive connections

    i have known people want a new one as the old one dont work right. i use a volt tester pen to see which stat be becomes live.
  8. IMG_0167.jpeg

    IMG_0167.jpeg

    • newfutile
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  9. dogbob

    Using a surface box differently

    An electrician installed a NEMA 6-20 20A 230V outlet in a surface box for me in my garage, on a dedicated 20A breaker. He was even kind enough to follow code and run a neutral wire: I would like to replace this outlet with a side-by-side single 6-20 and 5-15 duplex so the box can be used for...
  10. newfutile

    Economy 7 confusion

    There seems to be nothing wired to the top (peak) immersion anyway
  11. newfutile

    Hagar AFDD problem

    thanks for the confirmation this is what i thought. i cant think of what use this device is . i have seen David Saverys Arc Fault Detection Device testing videos most interesting
  12. newfutile

    Hagar AFDD problem

    we have had installed some Hagar ARM932U Arc Fault Detection Device in one of our care homes. they had reported tripping issues , so i tried to do an (RCD) Residual Current Device test. it wont trip at any current. looking it up it seems they are not also an rcbo . if so whats the point of them...
  13. newfutile

    Best certification software

    if you have an iPad or iPhone icertifi is not too bad these days. no per cert or report pricing
  14. newfutile

    Wagos for oven

    if you use the 6mm2 version of the wagos and its in a MF box ,suitably located ,it should be ok. The only concern is the protective device ,protecting the flex cable,this is no different to a flex outlet
  15. newfutile

    Minor works certificate - Ze Test

    You could measure it as ZDB and make a note that it has been measured that way
  16. newfutile

    Landlords certificate.

    I usually put something like this To assess compliance with BS7671 for continued safe operation (5 year periodical inspection)
  17. newfutile

    UK Relevance of Table 41.3 where Additional Protection is present?

    I was more thinking why a C curve breaker , a 32 is most likely needed in case all get put on together, but the motor is probably not much of the load ,so i would guess not too much inrush current to require a C device, you could measure with a clamp meter with a max functon to test this
  18. newfutile

    UK Relevance of Table 41.3 where Additional Protection is present?

    I would be asking why it's on a C32,while it is permitted I don't think it's a great design to exceed maximum ZS and rely only on the (RCD) Residual Current Device partof the rcbo
  19. newfutile

    RCD neutral fault.

    neutral and earth are already connected upsteam (at least in england anyway and i imagine else where as well).i cant think of any upstream fault that would affect an (RCD) Residual Current Device . a downstream neutral to cpc fault will only trip an (RCD) Residual Current Device if a circuit...
  20. newfutile

    Certification

    Niceic dont allow 3rd party QS sign offs, the main problem i found was building control notifications ,we actually paid the local authority the first time ! Otherwise you can just use there green certs. Or just use the bs7671 templates

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