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Draft for Public Comment - IET Open combined protective and neutral (PEN) conductor detection devices (OPDDs)

Kerrie-Ann Mason

The IET's new Standard (IET 01) includes definitions, requirements and tests for open PEN detection devices (OPDDs) and is now open for public comment, find out more here https://electrical.theiet.org/get-involved/consultations/iet-open-combined-protective-and-neutral-pen-conductor-detection-devices-opdds

Deadline for comments: Friday 2 February 2024.

  • in reply to Dom

    Are you of the opinion that the 3% is a guidance or would you look to use that figure when designing a circuit?

    I don't think it's in BS 7671, so would treat it as good practice rather than a requirement (probably similar to the 1% that's often recommended for PV AC circuits) - so try to stick with that in the vast majority of cases, but keep the option not to in reserve for any particularly awkward cases where especially where there may be other mitigating factors.

       - Andy.

  • in reply to AJJewsbury

    Yes my thinking as well.

    Thanks Andy,

    Dom

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