2.9K views · 118 reactions | Multiwire branch circuits are an efficient and cost-effective approach to installing electrical circuits, but there are inherent hazards when this wiring method is used. In this video, we discuss how important it is for these circuits to be installed and serviced properly, and the consequences for failing to do so! | Mike Holt Enterprises | Facebook
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6.6K views · 117 reactions | Multiwire” branch-circuits are...
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In this video, NEC expert Mike Holt explains how to properly ground a corner grounded delta system and the special characteristics of these rare systems… | Mike Holt Enterprises
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In this video, NEC expert Mike Holt explains how to properly ground a co…
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Splicing wires in a panel cabinet! | Mike Holt Enterprises
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NEC Review of a Multiwire Branch Circuit (MWBC) Article 100 Definition - A circuit with two or more phase conductors with a neutral conductor having a voltage between the phase conductors, and an equal voltage from each phase conductor to the neutral conductor. 210.4(B) - MWBC must have a means to simultaneously disconnect all phase conductors. 240.15(B)(1) - Single-pole breakers with handle ties “identified” for the purpose are permitted for the MWBC. 210.4(D) - Neutral conductors of the MWBC m
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1.7K views · 397 reactions | Mike Holt @NECA 2025#mikeholt #electrician #electricaltrade #electricaltraining | Mike Holt Enterprises | Facebook
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This video on how to size circuits for a/c equipment in accordance with the NEC is going to drive dinosaurs crazy. How exciting is that! | Mike Holt Enterprises
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This video on how to size circuits for a/c equipment in accordance with th…
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11 reactions | LIVE STREAM FINAL DAY!! Watch this live video stream o…
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In this video, NEC expert Mike Holt explains how to size a grounding elec…
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86K views · 527 reactions | The circuit equipment grounding conductor is si…
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Generac generator power and control wires are permitted to be installed in …
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When burying wiring we need to have sufficient ‘cover’ in accordance with …
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The only time a bonding bushing/jumper is required for a met…
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This video is a must see for any electrical professional, from the new…
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