33 pages matching National Electrical in this book
Results 1-3 of 33
What people are saying - Write a review
We haven't found any reviews in the usual places.
Properties of Electric Circuits
Generation and Distribution of Electric Power
40 other sections not shown
alternating current ammeter amperes appliances armature automatic Average battery bell branch circuits building cabinet capacity ceiling circuit breaker Code coil computed conductors connections contactor Courtesy current transformers cutout devices diagram diameter direct current direct-current energy equal equipment feeder fixture flexible floor foot-candles fuses ground heat Holophane illumination indicated in Fig inspection installations insulation iron conduit junction box lamp lighting circuits load located machine magnetic maximum mechanical metal meter method minimum motor National Electrical National Electrical Code neutral normal operation phase plug poles power circuits power factor primary protected pulling reactance receptacles reflectors relay resistance secondary windings short circuit shown in Fig single-phase spacing speed station substation supply switch Table terminals three-phase three-wire tion two-wire typical Unfavorable Unfavorable Unfavorable units usually voltage drop voltmeter volts wattmeter watts