Service: A neutral conductor must be run to the service disconnecting means and it must be bonded to the metal service disconnect enclosure (main bonding jumper) in accordance with 250.24(C) and 250.142(A). Feeder: A neutral-to-ground bond is not permitted at a 'sub-panel' at a building supplied by a feeder, see 250.24(B), 250.32(B), and 250.142(B). #electrican #electricalcontractor #mikeholt #sparkylife #electricalapprentice | Mike Holt Enterprises
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Service: A neutral conductor must be run to the service disconnecting means and it must be bonded to the metal service disconnect enclosure (main bonding jumper) in accordance with 250.24(C) and 250.142(A). Feeder: A neutral-to-ground bond is not permitted at a 'sub-panel,' see 250.24(B) and 250.142(B). #electrican #electricalcontractor #mikeholt #sparkylife #electricalapprentice | Mike Holt Enterprises
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The NEC does permit spare raceways. The NEC does not require termination fitting for the grounding electrode conductor. Splices are permitted in a cabinet, see 312.8(A)(4). Bundel of conductors are okay, see 310.15(C). Phase conductors in this panel are not required to be identified. VIOLATION: The neutral conductor identification required by 200.6(B) is not at its terminations. #electrican #electricalcontractor #mikeholt #sparkylife #electricalapprentice | Mike Holt Enterprises
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Factors that impact conductor sizing include not only conductor ampacity and equipment terminal temperature rating, but also the conductor insulation temperature rating. In this video we discuss Table 310.4(A) which provides information on conductor insulation properties such as letter type, maximum operating temperature, application, insulation, and outer cover properties… | Mike Holt Enterprises
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The grounding electrode conductor is permitted to originate at the meter enclosure or service equipment. It’s just that simple, see 250.24(A)(1). | Mike Holt Enterprises
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