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Ground Fault Protection Testing per NEC 230.95(C) of Low Voltage Circuit Breakers

Ground Fault Protection Testing per NEC 230.95(C) of Low Voltage Circuit Breakers

This application note will cover why primary injection is specified per NFPA70/NEC standards, the basics of Ground Fault (GF) testing, and the challenges associated with testing Low Voltage (LV) circuit breakers using primary injection such as cable length, power sources, breaker configurations, and Current Transformer (CT) polarity.

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