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HV switch room isolating facility - mandatory requirements

MS01
Can anyone tell me in a private HV switch room that is fed from a DNO switch room is it a mandatory requirement to have the means to isolate the incoming DNO HV supply via an emergency stop for example, I believe it is but can’t seem to find the piece of legislation can anyone point me in the right direction.

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    I've also only seen EAWR §12 quoted as a source.

    However I do know that while some DNOs offer the customer an opt out, others have it as a requirement for their standard HV connection arrangement.

    I would add though that it is standard practice and if it were omitted I would expect similar alternative provision and/or risk assessment, including a good reason for its omission.
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    I've also only seen EAWR §12 quoted as a source.

    However I do know that while some DNOs offer the customer an opt out, others have it as a requirement for their standard HV connection arrangement.

    I would add though that it is standard practice and if it were omitted I would expect similar alternative provision and/or risk assessment, including a good reason for its omission.
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