Understanding Overcurrent Protection and Ampacity Adjustments
9:08
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Understanding Overcurrent Protection and Ampacity Adjustments
This video explains the NEC (National Electrical Code) provisions for overcurrent protection and ampacity adjustments. We'll clarify how conductors with an ampacity of 85 amps can be protected by a 90 amp circuit breaker. Learn about NEC sections 310.10(C) and 240.4(B) and how they relate to conductor ampacity and overcurrent device ratings ...
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