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  1. mickyeng

    Possible Lightning Strike.

    After a heavy and stormy rain, 5 of our circuit breakers from two different circuit damaged. How can we be sure that the damage on the Circuit Breaker was due to a lightning strike? Any reference on any book?
  2. mickyeng

    GFCI used as HVAC protection

    So (davidbeach)in this case can we use a Motor Protection Circuit Breaker? MPCB
  3. mickyeng

    GFCI used as HVAC protection

    Hi gents! Here comes a quick question. Is it required to install a GFCI breaker as the protection for an HVAC Compressor? The size of the compressors 20hp, 25hp and 30hp 460 Volts. The FLA goes from 34.7 to 50.

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