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  • Audel Electrical Trades Pocket Manual
    Electrical values, 197–198 Electricity: circuit protective devices, 3, 9 defined, 1 power factor, 3 –7 three- phase power, 6–8 Electromotive force (EMF), 2 Emergency power generation systems … Energy, 113 Equipment grounding conductor (EGC), 56, 107 Equipment leakage circuit interrupter (ELCI), 55 Ethernet … 119 Foot candle (fc) measurement, 112 Frequency, 1, 86 Frequency avoidance, 86 Full load amperage (FLA), 73, 77–78, 151 Fuses, 9, 48–50, 198 G Gas discharge lamps, 118–119 Gas-insulated circuit breakers , 37, 48 Gen-sets, 17 GFCI (ground fault circuit interrupter…
  • McGraw-Hill's National Electrical Code® 2014 Handbook, Twenty-Eighth Edition > Chapter Five
    However, the many varieties of portable power distribution centers and modules have been developed with integral GFCI breakers protecting single- phase , 15- and 20-A, 120-V circuits . .... Other circuits (higher amperage, higher voltage, and 3 -phase) are also required by the NEC to have…