Do I need to seal the machine in front of the counter?

Is it necessary to seal the input machines standing up to the meter or is it enough to seal only the meter itself?

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Posted: Updated: 24.12.2018 1 comment
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  • Admin
    12/24/2018 at 18:16

    Hello! What do you mean by sealing a machine? Locking the inclusion flag or seal so that it cannot be disconnected from it? If the first - then you simply can not make a shutdown or inclusion in an emergency or an elementary power surge.
    According to PUE 1.5.13
    “Each installed meter must have seals with the seal of the state calibrator on the screws securing the meter cover, and a seal of the power supplying organization on the clamping cover. On newly installed three-phase meters there should be seals of state verification with a prescription of no more than 12 months, and on single-phase meters with a prescription of no more than 2 years. ”

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