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EZSMART Corporation, ESA/ECRA #7012690 , North York , Ontario
Mon-Fri 08:00 AM - 05:00 PM
EZSMART Corporation, ESA/ECRA #7012690 , North York , Ontario
Mon-Fri 08:00 AM - 05:00 PM

Tag: panel hole plug

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21 Jul, 2026
Posted by: Amir Azimipour
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Why Is My Panel Missing Knockouts and How Do I Plug Them?

Peek at your electrical panel enclosure and you might notice one or two small round or rectangular holes where the metal has been punched out but nothing was ever installed. Those are missing knockouts, and Ontario code does not allow them to stay open. This guide covers what knockouts are, why they end up missing, […]

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