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  1. SEL487

    (Ontario) ESA banning S&C Vista Units after May 1st, 2025

    From the ESA Dear Manufacturer: The Electrical Safety Authority (ESA) has been dealing with pad-mounted gas insulated switchgears (GIS) for non-utility applications. A few concerns have been identified: not meeting the requirements of CSA 22.2 No. 31 standard and the Ontario Electrical Safety...

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