Article 250 of the NEC is perhaps the most misapplied, misinterpreted, and violated article in the Code. The terminology used in this article has been a source of much confusion. “Bonding jumper, main bonding jumper, system bonding jumper, supply-side bonding jumper.” What are these? How do they differ? How are they sized? Watch this video clip to get the answers. https://www.mikeholt.com/newsletters.php?action=display&letterID=2253 | Mike Holt Enterprises
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Article 250 of the NEC is perhaps the most misapplied, misinterpret…
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What does bonding (bonded) mean and what does NEC article 250 say about it?
What does bonding (bonded) mean and what does NEC article 250 sa…
Jul 20, 2017
electrical-engineering-portal.com
The only time a bonding bushing/jumper is required for a metal raceway containing feeder/branch circuits is when the raceway contains 277V, 480V, or 480Y/277V circuits AND the raceway encounters oversized, concentric, or eccentric knockouts at an enclosure. See NEC 250.97 #mikeholt #electricaltraining #electrician #electricaleducation #electricaltrade #necrequirements | Mike Holt Enterprises
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The only time a bonding bushing/jumper is required for a …
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A listed self-grounding receptacle provides the bonding connection between the receptacle and a grounded metal box. This connection eliminates the need for a wire-type equipment bonding jumper from the grounded metal box to the receptacle grounding terminal. See NEC 250.146(B). As for me and my house, I will serve the Lord [Joshua 24:15]. #mikeholt #electricaltraining #electrician #electricaleducation #electricaltrade #necrequirements | Mike Holt Enterprises
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A listed self-grounding receptacle provides the bonding connection …
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