NEMA PB 2.2-2014 contains instructions for the safe and proper application of GFP devices. GFP devices include current-sensing devices, relaying equipment or combinations of current-sensing devices and relaying equipment or other equivalent protective equipment that will operate to cause a disconnecting means to open all ungrounded conductors at predetermined values of ground-fault current and time.
NEMA PB 2.2-2014
Original price was: $153.00.$76.00Current price is: $76.00.
Application Guide for Ground Fault Protective (GFP) Devices for Equipment
National Electrical Manufacturers Association , 02/24/2015
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