protection

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  1. spud1

    30mA RCD protection required for existing circuit?

    If I was replacing an existing light fitting in a domestic premises, making no alteration or addition to the circuitry, would I then be obligated to provide that circuit with 30mA RCD protection if it didn't already have it?
  2. P

    C/U Tails in wall - protection required

    The existing C/U is at almost ceiling height in a room and the old tails are plastered in the wall below it before going outside to the meter cupboard (they have no protection and are just covered in plaster). The tails have to be upgraded when the C/U is replaced, so I could take the option of...
  3. T

    RCD Protection for submains

    Evening all We have been asked to do some redial work picked up by a testing company i a hostel. It has been picked up that is no RCD protection in the rooms There are 5 submain circuits that feed the 20 consumer units, 4 consumers units per submain (B32) Each room have a consumer unit which...
  4. Chinese Dave

    Protection to be used on a 5KW motor???

    Hi, I'm Dave and I was wandering if I could have help with something. If I were to wire a 5KW motor what means of protection should be incorporated into the inverter for compliance with BS 7671? Thanks! :)
  5. B

    RCBO protection type, to settle a debate

    Hi, My QS believes an RCBO provides fault protection only, and we have to enter N/A on the test certs for the additional protection. Is this correct? We deal with TN-C-S and TN-S domestic. I assumed it provided both Thanks!

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