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What's Wrong Here?
Apr 23, 2009 11:43 AM, By Joe Tedesco, NEC Columnist
Hint: These groups don't get along well with each other.
The supply conductors serving this equipment do not comply with the requirements set forth in 310.4. In addition, the grounded conductors are not properly identified in accordance with 200.6.
To prevent induction from heating the surrounding metal in enclosures or raceways [300.20(A)], you must group all phase conductors (and, where applicable, the grounded conductor) and equipment grounding conductors together.
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