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lack of red cut out

Newfutile

a collegue of mine has been told my a meter changer that we must have a red cut out before the meter.

currently there is a 2 pole isolator ,we assume its properly fused in the ryfield board (he has gone back to check).

i dont think BS7671 covers this though it may fall to us are we are most likely the BNO (owning the building).

does anyone know if ESQCR or any other regulation applies to this?

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    Not a requirement, but a good idea maybe.

    The metering company like a means of isolation before the meter, in the form of a normal cutout fuse they can pull or one fitted with a red link, and one the operator can see while working on the meter, not a fuse in the basement if the meter is on the landing.  They don't normally like things that look like switches as it makes abstraction a bit too easy if it becomes a 'no-seals' operation to remove the power.
    It is a matter of DNO / BNO policy if there are red links or not and varies between buildings and regions.

    BS7671 does not have to apply to network operators be they BNO or DNO, though some DNO like it to apply to BNO supplied by them, and ESCQR and various health and safety legislation will require a means of safe isolation, but do not stipulate how.

    Note that the whole concept of a BNO pre-dates many installations, and when the wiring inside, outside and the metering all belonged to the same electricity board, then they were able to do things that are now quite difficult because they require coordinating 3 lots of people.

    I don't think you will find a law, you may find a DNO policy for new installations to be connected.
    Mike.

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  • 0

    Not a requirement, but a good idea maybe.

    The metering company like a means of isolation before the meter, in the form of a normal cutout fuse they can pull or one fitted with a red link, and one the operator can see while working on the meter, not a fuse in the basement if the meter is on the landing.  They don't normally like things that look like switches as it makes abstraction a bit too easy if it becomes a 'no-seals' operation to remove the power.
    It is a matter of DNO / BNO policy if there are red links or not and varies between buildings and regions.

    BS7671 does not have to apply to network operators be they BNO or DNO, though some DNO like it to apply to BNO supplied by them, and ESCQR and various health and safety legislation will require a means of safe isolation, but do not stipulate how.

    Note that the whole concept of a BNO pre-dates many installations, and when the wiring inside, outside and the metering all belonged to the same electricity board, then they were able to do things that are now quite difficult because they require coordinating 3 lots of people.

    I don't think you will find a law, you may find a DNO policy for new installations to be connected.
    Mike.

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