440.4(B) Air-Conditioning, Circuit Sizing - www.MikeHolt.com/code. The first time you’re called upon to size a conductor and overcurrent device for central air-conditioning and you look at the nameplate requirements that clearly state that a 10 AWG copper conductor and a 50A OCPD are required, it may contradict everything you’ve learned about small conductors. In fact, you may adamantly insist that 6 AWG is required by the Code and you’d be wrong! Learn why in this video on section 440.4(B) of the NEC.
This video is extracted from Mike Holt's best-selling 2020 Understanding the National Electrical Code Complete Video Library, to learn more visit www.MikeHolt.com/code or call 888.632.2633.
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Негізгі бет Air-Conditioning, Circuit Sizing, NEC 2020 - [440.4(B)], (5min:33sec)
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