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practical need for supp bonding in bathroom

wallywombat
Can anyone suggest a realistic scenario where supplementary bonding would be required in a bathroom or other 701 location? I'm failing to think of one, although I may be overlooking something blindingly obvious.


It can be omitted as long all three of these are satisfied: ADS in time; RCD present; any extr-c-p connected to main bonding.


If ADS can't be done in time by either MCB/RCD then its not legal anyway.

RCD has to be present anyway.

Water and gas pipes etc should already be main bonded if they introduce a potential.
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    Customer's preference?


    Effectively obsolete for new work, but consider the situation in which an EICR identifies absence of both supplementary bonding and RCD in the case of extraneous CPs.


    Options are to bond (subject to the caveats above) or to put an RCD in the circuit. Quotes provided. Customer chooses the cheaper option of bonding.
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  • 0
    Customer's preference?


    Effectively obsolete for new work, but consider the situation in which an EICR identifies absence of both supplementary bonding and RCD in the case of extraneous CPs.


    Options are to bond (subject to the caveats above) or to put an RCD in the circuit. Quotes provided. Customer chooses the cheaper option of bonding.
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