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  1. Risteard

    Rented Sector Scheme

    In fairness to the NIC there is no additional charge to opt into the rented property inspection scheme for Approved Contractors so long as you meet the criteria.
  2. Risteard

    IET BS7671 Electronic Copy required

    You have to get it from the IET VitalSource subscription.
  3. Risteard

    Honest Electricians in west London?

    Not only alarm manufacturers - it's a requirement of BS 5839. I also don't understand removing life safety systems though before alteration/replacement.
  4. Risteard

    Can you fit a switch without a backbox

    No it isn't okay not to have a back box. Nor is it okay to use a green/yellow conductor as a phase conductor.
  5. Risteard

    Spds - multiple consumer units

    In my opinion if you have distribution boards downstream a reasonable distance from the other distribution boards then these really should have their own SPD as well. One at the origin won't cut it.
  6. Risteard

    C2 Vs C3 for no RCD on various circuits

    Forget whether it complied with previous Regulations or not. It really has no relevance as to its safety given our current (excuse the pun) understanding of this. Instead just consider it on the basis of what safety deficit a non-compliance poses, and how serious that is.
  7. Risteard

    C2 Vs C3 for no RCD on various circuits

    I would say the bathroom scenario depends on whether there is correctly installed supplementary equipotential bonding or not.
  8. Risteard

    What sports do you play?

    I'd love to try SCUBA diving - to be fair I have done it a couple of times but never done a PADI course or anything like that. My parents used to dive in Saudi in the '80s, possibly kept diving into the early '90s.
  9. Risteard

    What sports do you play?

    The only sport I'm involved in is skydiving.
  10. Risteard

    Departure from BS7671 or C3

    The armour should be Earthed. But for the lack of ring continuity on the cpc then I would suggest that this needs to be rectified.
  11. Risteard

    UK Emergency lighting regs

    What does the Fire Risk Assessment state?
  12. Risteard

    Shower Cable and insulation

    It won't cause it to trip, but it still means that it's operating above the load it's designed to sustain and therefore also running hotter than intended. It isn't a compliant design.
  13. Risteard

    Ring or radial in bungalow

    In practice it's likely to be fine, but that's not to say that I'd design it that way.
  14. Risteard

    Ring or radial in bungalow

    How does it minimise it?
  15. Risteard

    Consumer unit extension wiring

    A borrowed neutral is required to be on one circuit rather than just one RCD though for safety reasons (which of course would no longer render it a borrowed neutral).
  16. Risteard

    EICR question, OLD AC RCD- code 3 or no code?

    I hate the description of the Regulations "not being retrospective". No such comment is made within the Note from the HSE. What it actually states is that compliance with previous iterations of the Regulations may not necessarily imply that the installation is now unsafe or that it requires...
  17. Risteard

    UK AC RCD’s C2? Absolutely!

    Indeed they do, but I must admit I find this suggestion somewhat questionable. Surely if an RCD is required, and the circumstances of the installation dictate that it needs to be a minimum of a Type A RCD because a Type AC RCD could be disabled by circulating DC currents then a C3 Observation...
  18. Risteard

    UK Selectivity : What does it mean specifically, especially in relation to EV chargers

    I personally don't see how else "dedicated RCD" could be interpreted.
  19. Risteard

    Separate connections to a EV charger and garage supply

    In fairness I always install RCD protection upstream of a Zappi installation as the internal RCD is not to any of the following Standards: BS EN 61008-1, BS EN 61009-1, BS EN 60947-2 or BS EN 62423.
  20. Risteard

    Weird?! Neutral-earth fault

    I seem to recall that the anti-islanding protection operates within about 5 seconds (could be wrong about exact length of time allowed), so certainly it would be well beyond the permissible disconnection times of an RCD.

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