 by George V. Hart & Sammie Hart
Table of Contents
RULER-INCH, INSIDE FRONT COVER
OHM'S LAW, 1-2
SERIES CIRCUITS, 3-4
PARALLEL CIRCUITS, 5-7
COMBINATION CIRCUITS, 8-12
ELECTRICAL FORMULAS, 13
TO FIND:
- AMPERES (1), 14-17
- HORSEPOWER (HP), 18-19
- WATTS (P), 20
- KILO-WATTS (KW), 21 22
- KILO-VOLT-AMPERES (KVA), 23
- CAPACITANCE (C), AND CAPACITORS, 24-27
- POWER FACTOR CORRECTION, 27
- INDUCTANCE (L), 28
- IMPEDANCE (Z), 29
- REACTANCE (INDUCTIVE (XL) AND
- CAPACITIVE (XC), 30
- RESISTOR COLOR CODE, 31
MOTORS:
- RUNNING OVERLOAD UNITS, 32
- BRANCH CIRCUIT PROTECTIVE DEVICES, 32
- DIRECT CURRENT, 33-34
- SINGLE PHASE (A.C.), 35-38
- THREE-PHASE MOTORS (A.C.), 39-46
TRANSFORMERS:
- CALCULATIONS, 47
- VOLTAGE DROP CALCULATIONS, 48-50
- SHORT CIRCUIT CALCULATIONS, 51-54
- SINGLE-PHASE CONNECTIONS, 55
- BUCK & BOOST CONNECTIONS, 56
- FULL LOAD CURRENTS, 57
- THREE-PHASE CONNECTIONS, 58-62
MISCELLANEOUS WIRING DIAGRAMS, 63-64
CONDUCTOR PROPERTIES, 65
A.C. RESISTANCE & REACTANCE FOR 600 VOLT CABLES, 66
ALLOWABLE AMPACITIES OF CONDUCTORS, 67-71
INSULATION CHARTS, 71-74
MAXIMUM NUMBER OF CONDUCTORS IN CONDUIT I TUBING, 75-95
- GENERAL CALCULATION PROCEDURE, 75
- ELECTRICAL METALLIC TUBING, 76-77
- NONMETALLIC TUBING, 78-79
- RIGID PVC CONDUIT, SCHEDULE 40, 80-81
- RIGID PVC CONDUIT, SCHEDULE 80, 82-83
- RIGID METALLIC CONDUIT, 84-85
- FLEXIBLE METALLIC CONDUIT, 86-87
- LIQUID TIGHT FLEXIBLE METALLIC CONDUIT, 88-89
- DIMENSIONS OF INSULATED CONDUCTORS, 90-91
- COMPACT ALUMINUM BLDG. WIRE DIMENSIONS, 92
- DIMENSIONS & PERCENT AREA OF CONDUIT, 93-95
TABLES:
- TAP, DRILL BIT AND HOLE SAW TABLES, 96
- METAL BOXES, 97
- MINIMUM COVER REQUIREMENTS TO 600 VOLTS, 98
- VOLUME REQUIRED PER CONDUCTOR, 98
- VERTICAL CONDUCTOR SUPPORTS, 98
- CLEAR WORKING SPACE IN FRONT OF ELECTRICAL EQUIPMENT, 99
- MINIMUM CLEARANCE OF LIVE PARTS, 100
- GROUNDING, 101 -102
- GENERAL LIGHTING OCCUPANCY LOADS, 103
- LIGHTING LOAD DEMAND FACTORS, 103
- DEMAND FACTORS FOR NONDWELLING, 104
- DEMAND FACTORS - HOUSEHOLD CLOTHES DRYERS, 104
- DEMAND FACTORS - KITCHEN EQUIPMENT, 104
- DEMAND LOADS - HOUSEHOLD RANGES, OVENS, 105-106
- ELECTRICAL SYMBOLS, 107-09
WIRING DIAGRAMS, 110 -114
GENERAL REFERENCE:
- U.S. WEIGHTS AND MEASURES, 115-116
- METRIC SYSTEM, 117-118
- METRIC DESIGNATOR-TRADE
- SIZE EQUIVALENTS, 119
- U.S. WEIGHTS & MEASURES I METRIC EQUIVALENTS, 119
- USEFUL CONVERSIONS, 119
- SCIENTIFIC NOTATION, 119
- DECIMAL EQUIVALENTS, 120
- CONVERSION TABLES, 121-123
- METALS, 124-125
- SPECIFIC RESISTANCE (K), 125
- CENTIGRADE & FAHRENHEIT THERMOMETER SCALES, 126
MATH REFERENCE:
- USEFUL MATH FORMULAS, 127
- THE CIRCLE, 128
- FRACTIONS, 129-131
- EQUATIONS, 132-134
- TRIGONOMETRY, 135-137
CONDUIT BENDING:
- BENDING OFFSETS WITH TRIGONOMETRY, 137|
- CHICAGO-TYPE BENDERS - 90' BENDING, 138
- CHICAGO-TYPE BENDERS - OFF-SETS, 139
- MULTI-SHOT 90' BENDING, 140-142
- HAND BENDER – OFFSETS, 143
- HAND BENDER - 90'BENI)S, 144
- HAND BENDER - BACK-TO-BACK BENDS, 145
- HAND BENDER - 3-POINT SADDLE BENDS, 146
MISCELLANEOUS REFERENCE:
- PULLEY CALCULATIONS, 147
- USEFUL KNOTS, 148
- HAND SIGNALS FOR CRANES, 149-150
AMERICAN RED CROSS GENERAL FIRST AID, 151-158
- CALENDAR – 2002, 159
- CALENDAR – 2003, 160
- CALENDAR – 2004, 161
GENERAL TOPIC INDEX, 162
RULER – METRIC, INSIDE BACK COVER
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