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IAEI Magazine | Author: Jeff Hidaka
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Jeff Hidaka

Jeff Hidaka is the principal engineer (PDE) for Overcurrent Protection/Circuit Breakers for Underwriters Laboratories Inc. and has more than 25 years of experience in product safety testing of products and components. Jeff represents the company on various UL, IEC and IEEE overcurrent protection technical committees, and is a member of NEC Code-Making Panel 10.


Articles

Backfeeding Ground-Fault Circuit Breakers

The wording of the exception may introduce confusion as it states that the ground-fault protection device "shall be identified…for backfeeding,” which implies a specific marking on a circuit breaker equipped with GFPE. In actuality it is the absence of "line” and "load” markings on a circuit breaker that indicates that it is suitable for backfeeding.
NOVEMBER-DECEMBER 2010