Ugly's Electrical References, 2020: .

Front Cover
Jones & Bartlett Learning, Dec 13, 2019 - Technology & Engineering - 214 pages
Ugly’s Electrical References, is the gold standard on-the-job reference tool of choice for electrical industry professionals. Offering the most pertinent, up-to-date information used by electricians, including: updated NEC code and table change information, mathematical formulas, NEMA wiring configurations, conduit bending guide, ampacity and conduit fill information, transformer and control circuit wiring diagrams, and conversion tables. New Features: • Updated to reflect changes to the 2020 National Electrical Code (NEC) • Expanded coverage of the following topics: o Junction Box size calculations o Selecting, testing, and using multimeters to measure voltage, resistance, and current o Selecting, testing, and using a clamp-on ammeter to measure current o Selecting, testing, and using a non-contact voltage tester
 

Contents

Ohms Law
1
Series Circuits
3
Parallel Circuits
5
Combination Circuits
8
Common Electrical Distribution Systems
13
Electrical Formulas for Calculating Amperes Horsepower Kilowatts and kVA
15
To Find Amperes
16
To Find Horsepower
20
Maximum Number of Conductors in Electrical Nonmetallic Tubing
86
Maximum Number of Conductors in Rigid PVC Conduit Schedule 40
88
Maximum Number of Conductors in Rigid PVC Conduit Schedule 80
90
Maximum Number of Conductors in Rigid Metal Conduit
92
Maximum Number of Conductors in Flexible Metal Conduit
94
Maximum Number of Conductors in Liquidtight Flexible Metal Conduit
96
Dimensions of Insulated Conductors and Fixture Wires
98
Compact Copper and Aluminum Building Wire Nominal Dimensions and Areas
100

To Find Watts
21
To Find Kilowatts
22
To Find KilovoltAmperes
23
To Find Capacitance
24
SixDot Color Code for Mica and Molded Paper Capacitors
25
Maximum Permissible Capacitor KVAR for Use with OpenType ThreePhase 60Cycle Induction Motors ...
26
Power Factor Correction
27
Power Factor and Efficiency Example
28
To Find Inductance
29
To Find Impedance
30
To Find Reactance
31
DirectCurrent Motors
32
DirectCurrent Motors
33
SinglePhase AlternatingCurrent Motors
34
SinglePhase Motor Using Standard ThreePhase Starter
35
SinglePhase Motors
36
Running Overload Units
38
ThreePhase AlternatingCurrent Motors
39
ThreePhase AC Motors
40
Motor and Motor Circuit Conductor Protection
41
Motor Branch Circuit and Feeder Example
42
LockedRotor Indicating Code Letters
43
Maximum Motor LockedRotor Current in Amperes Single Phase
44
ThreePhase AC Motor Windings and Connections
45
ThreeWire StopStart Station
46
Two ThreeWire StopStart Stations
47
HandOff Automatic Control
48
Jogging with Control Relay
49
Inductance Negligible
50
Voltage Drop Calculation Examples
52
ShortCircuit Calculation
53
Component Protection
57
SinglePhase Transformer Connections
58
BuckandBoost Transformer Connections
59
FullLoad Currents
60
Transformer Calculations
61
Sizing Transformers
62
SinglePhase Transformer
63
ThreePhase Connections
64
ThreePhase Standard Phase Rotation
65
Transformer Connections
66
Miscellaneous Wiring Diagrams
69
Supports for Rigid Metal Conduit
70
Conductor Properties
71
Three Single Conductors in Conduit
72
Ampacities of Insulated Conductors
73
Ampacity Correction and Adjustment Factors
77
Adjustment Factors
78
Conductor Applications and Insulations
80
Maximum Number of Conductors in Trade Sizes of Conduit or Tubing
83
Maximum Number of Conductors in Electrical Metallic Tubing
84
Thread Dimensions and Tap Drill Sizes
104
Metal Boxes
105
Minimum Cover Requirements 01000 Volts Nominal
106
Minimum Depth of Clear Working Space at Electrical Equipment
107
Minimum Clearance of Live Parts
108
Minimum Size Equipment Grounding Conductors for Grounding Raceway and Equipment
109
Grounding Electrode Conductor for AlternatingCurrent Systems
110
Grounded Conductor Main Bonding Jumper System Bonding Jumper and SupplySide Bonding Jumper for AlternatingCurrent Systems ...
111
General Lighting Loads by Nondwelling Occupancy
112
Lighting Load Demand Factors
113
Demand Factors for Household Electric Clothes Dryers
114
Demand Loads for Household Electric Ranges WallMounted Ovens CounterMounted Cooking Units and Other Household Cooking Appliances over ...
115
Calculating Cost of Operating an Electrical Appliance
117
Partial 2020 National Electrical Code Summary
118
Field Terms Versus NEC Terms
124
Electrical Symbols
125
Wiring Diagrams for NEMA Configurations
128
NEMA Enclosure Types
133
US Weights and Measures
137
Metric System
139
Decimal Equivalents
142
TwoWay Conversion Table
143
Metals
146
Centigrade and Fahrenheit Thermometer Scales
149
Useful Math Formulas
150
The Circle
151
Fractions
152
Equations
155
Natural Trigonometric Functions
158
Trigonometry
160
Bending Offsets with Trigonometry
161
One Shot Bends
162
90 Bending
163
Offsets
164
90 Conduit Bending
165
Offset Bends
168
90 Bends
169
BacktoBack Bends
170
ThreePoint Saddle Bends
171
Pulley Calculations
172
Useful Knots
173
Hand Signals
174
Electrical Safety Definitions
176
Who Is Responsible for Electrical Safety?
178
LockoutTagout and Electrically Safe Work Condition
179
Shock Protection Boundaries
180
Information Usually Found on an ArcFlash Equipment Label
181
Personal Protection Equipment Guide
182
Alternative Energy
184
Junction Box Sizing
190
Selecting and Test Instruments
191

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