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
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6.6K views · 116 reactions | Multiwire” branch-circuits are...
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Mike Holt Circuit Sizing - Air-Conditioning Sizing air-conditioning circuits are really simple. Just read the nameplate and use the NEC Table 310.16 (2020 NEC) and 240.4(D) and 240.4(G), 240.6, and 440.6(B). | Mike Holt Enterprises
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Splicing wires in a panel cabinet! | Mike Holt Enterprises
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2.3K views · 52 reactions | 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 | Facebook
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A 20A, 120V multiwire branch circuit (two hots/neutral) is perfectly fine to supply the two small-appliance circuits required by 210.11(C)(2) and 210.52(B). A multiwire circuit is considered as multiple (two) circuits per 210.4(A). They make two-pole AFCI breaker, but not two-pole AFCI/GFCi breakers. So you'll need a two-pole 20A AFCI breaker and two 15A or 20A GFCI receptacles [Tbl 210.21(B)(3)]. Note: There is NO problem with a 15A GFCI receptacle on a 20A AFCI circuit breaker. As for me and m
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9K views · 274 reactions | 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 | Facebook
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