Transcription of Basic Electrical Power Fundamentals - US Forest Service
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Basic Electrical Power Fundamentals - US Forest Service
Basic Electrical Power Fundamentals LOAD REFERENCE Kilowatts Kilovolt amps Power Factor PF Motors KW KVA USE NEC 430-148 KW < KVA . and 430-150 to find current for given HP Indancescant Lighting USE actual wattage KW = KVA Fluorescent Lighting USE 50VA per 4 foot KW < KVA .95 F40 T12 Tube Metal Discharge Lamps Mercury, Metal Halide, HPS KW < KVA . Use actual input KVA or current from manufacturers data Heating Resistance Heat - Stoves KW = KVA toasters, unit heaters, base board heat use actual wattage Basic Electrical Fundamentals Voltage, current kilowatts, kilovolt amps.
Basic Electrical Fundamentals Voltage, current kilowatts, kilovolt amps. 1. Voltage - the electrical pressure needed to force current through any load. Units - Volts, V: Measured line to line or line to neutral with a voltmeter. Nominal System Voltage Actual System Voltage (use for calculations) Single Phase
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