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Dewalt Electrical Professional Reference - 2017 NEC 4th ed. [Pehme köide]

5.00/5 (2 hinnangut Goodreads-ist)

Paul Rosenberg (Chicago Il Master Electrician)

Formaat: Paperback / softback, 384 pages, kõrgus x laius x paksus: 152x102x18 mm, kaal: 272 g, Illustrations, unspecified
Sari: Dewalt Trade Reference
Ilmumisaeg: 17-May-2017
Kirjastus: Dewalt
ISBN-10: 133727139X
ISBN-13: 9781337271394

Teised raamatud teemal:

Teaching of a specific subject - (Hetkel poes: 8 nimetust)
Building construction & materials - (Hetkel poes: 8 nimetust)
Industrial chemistry & manufacturing technologies - (Hetkel poes: 7 nimetust)

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Formaat: Paperback / softback, 384 pages, kõrgus x laius x paksus: 152x102x18 mm, kaal: 272 g, Illustrations, unspecified
Sari: Dewalt Trade Reference
Ilmumisaeg: 17-May-2017
Kirjastus: Dewalt
ISBN-10: 133727139X
ISBN-13: 9781337271394

Teised raamatud teemal:

Teaching of a specific subject - (Hetkel poes: 8 nimetust)
Building construction & materials - (Hetkel poes: 8 nimetust)
Industrial chemistry & manufacturing technologies - (Hetkel poes: 7 nimetust)

Püsilink: https://www.kriso.ee/db/9781337271394.html

Märksõnad:

You want fast, easy access to information--but without sacrificing thorough coverage of essential content. The DEWALT ELECTRICAL PROFESSIONAL REFERENCE - 2017 NEC, combines the best of both worlds in a convenient, pocket-sized format. The book covers knowledge and skills you need to succeed as an electrical professional, from motors, transformers, and grounding, to voltage drops, fastener charts, and tools. Far more than a classroom text, this comprehensive guide is packed with hundreds of pages of reference materials, making it a vital resource containing everything you will need for career success.

Preface

xix

Chapter 1 Circuits, Formulas, and Voltage Drop Calculations

1-1

(1)

Ohm's Law/Power Formulas

1-1

(1)

Ohm's Law Diagram and Formulas

1-2

(1)

Power Diagram and Formulas

1-2

(1)

Ohm's Law and Impedance

1-3

(1)

AC/DC Power Formulas

1-4

(1)

Three-Phase AC Circuits and the Utilization of Power

1-5

(1)

Wye Connection

1-5

(1)

Delta Connection

1-5

(1)

Four-Wire System

1-5

(1)

Multi-Wire System Voltages

1-6

(1)

Formulas for Sine Waves

1-8

(1)

Calculating Peak, Average, and Root-Mean-Square (RMS) Voltages

1-8

(1)

Kirchhoff's Laws

1-9

(1)

Power Factor

1-9

(1)

Types of Power

1-10

(1)

True Power and Apparent Power

1-11

(1)

Power Factor Formula

1-11

(1)

Power Factor Improvement

1-12

(1)

Capacitor Correction for Three-Phase Motors

1-13

(1)

Delta and Wye Resistor Circuits

1-14

(1)

Summary of Series, Parallel, and Combination Circuits

1-15

(1)

Circuit Characteristics

1-16

(1)

Capacitance

1-18

(1)

Capacitors Connected in Series/Parallel

1-18

(1)

Capacitive Reactance

1-19

(1)

Inductance

1-20

(1)

Inductors Connected in Series/Parallel

1-20

(1)

Inductive Reactance

1-21

(1)

Voltage Drop Using Ohm's Law

1-22

(1)

Using Distance to Load

1-22

(1)

Calculating Branch Circuit Voltage Drop in Percent

1-22

(1)

Voltage Drop Formulas

1-23

(1)

Conductor Length/Voltage Drop

1-23

(1)

Conductor Size/Voltage Drop

1-23

(1)

Wire Length vs. Wire Size (Max Voltage Drop)

1-24

(1)

Voltage Drop Ampere-Feet

1-25

(1)

Voltage Drop Table

1-26

(1)

Chapter 2 Conduit, Cable, and Underground Installations

2-1

(1)

Bending EMT Stub-Ups

2-2

(1)

Back-to-Back Bending

2-3

(1)

2-Bend Offset

2-4

(1)

3-Bend Saddle

2-6

(1)

Chicago-Type Conduit Bender-90° Bending

2-7

(1)

Chicago-Type Conduit Bender-Offset Bending

2-8

(1)

Multi-Shot 90° Conduit Bending

2-9

(1)

Box Offsets

2-12

(1)

Offset Travel

2-12

(1)

Kick Adjustments

2-12

(1)

EMT Take-up for Hand Benders

2-13

(1)

Gain and Radius

2-13

(1)

Support Spacing for Rigid Metal Conduit

2-13

(1)

Support Spacing for EMT and Metal Conduit

2-13

(1)

Support Spacing for Rigid PVC

2-14

(1)

Support Spacing for Flexible Conduits

2-14

(1)

Expansion Characteristics of PVC Rigid Nonmetallic Conduit

2-14

(1)

Conduit and Tubing-Allowable Area Dimensions for Wire Combinations

2-15

(1)

Dimensions and Weights of Rigid Steel Conduit

2-18

(1)

Dimensions of Threads for Rigid Steel Conduit

2-18

(1)

Dimensions and Weights of Rigid Steel Couplings

2-19

(1)

Dimensions and Weights of Rigid Steel 90° Elbows and Nipples

2-19

(1)

Dimensions and Weights of EMT

2-20

(1)

Dimensions of EMT 90° Elbows

2-20

(1)

Conduit Master Bundles in Total Length and Weight

2-21

(1)

Nonmetallic-Sheathed Cable (Types NM and NMC)

2-22

(1)

Underground Feeder and Branch-Circuit Cable (Type UF)

2-22

(1)

Armored Cable (Type AC)

2-23

(1)

Service-Entrance Cable (Types SE and USE)

2-23

(1)

Underground Installation Requirements

2-24

(1)

Minimum Cover Requirements for Underground Installations

2-26

(1)

Minimum Burial Depth Requirements Above 600 V

2-28

(1)

Chapter 3 Ampacity, Box Fill, Branch Circuits, Conductors, Enclosures, and Raceways

3-1

(1)

Ampacity of Lamp and Extension Cords-Types S, SJ, SJT, SP, SPT, and ST

3-1

(1)

Vertical Conductor Supports

3-1

(1)

Conductor Color Code

3-2

(1)

Power Wiring Color Code

3-2

(1)

Power Transformer Color Code

3-2

(1)

Grouped Conductors

3-3

(1)

Paralleled Conductors

3-3

(1)

Electrical Cable Class Ratings

3-4

(1)

Cable Insulation Moisture Ratings

3-4

(1)

Conductor Prefix Codes

3-4

(1)

Conductor Applications

3-5

(1)

Enclosure Types

3-8

(1)

Classifications of Hazardous Locations

3-10

(1)

Division 1 Examples

3-11

(1)

Sizes of PanelBoards

3-12

(1)

Sizes of Gutters and Wireways

3-12

(1)

Sizes of Disconnects

3-12

(1)

Sizes of Pull Boxes and Junction Boxes

3-12

(1)

Busway or Busduct

3-13

(1)

CBs and Fuses

3-13

(1)

Switchboards or Switchgear

3-13

(1)

Area Dimensions of Insulated Conductors

3-14

(1)

Junction Box Calculations

3-16

(1)

Conductor Volume Allowance

3-16

(1)

Box Fill

3-17

(1)

Rigid Metal Conduit-Maximum Number of Conductors

3-18

(1)

Liquidtight Flexible Metal Conduit-Maximum Number of Conductors

3-20

(1)

Nonmetallic Tubing-Maximum Number of Conductors

3-22

(1)

Electrical Metallic Tubing-Maximum Number of Conductors

3-24

(1)

Flexible Metal Conduit-Maximum Number of Conductors

3-26

(1)

Rigid PVC Schedule 40 Conduit-Maximum Number of Conductors

3-28

(1)

Rigid PVC Schedule 80 Conduit-Maximum Number of Conductors

3-30

(1)

Copper Bus-Bar Data

3-32

(1)

Comparative Weights of Copper and Aluminum Conductors lb per 1,000 ft.

3-33

(1)

Copper Wire Specifications

3-34

(1)

Copper Wire Resistance

3-35

(1)

Conductor Dimensions and Resistances

3-36

(1)

AC Resistance, Reactance, and Impedance for 1,000 Volt Cables Measured in Ohms to Neutral Per 1,000 Feet, 3 Phase, 60 Hz, 75°C Based on Three Single Conductors in PVC or Steel Conduit

3-39

(1)

Ampacities of Copper Conductors (1)

3-42

(1)

Ampacities of Copper Conductors (3)

3-44

(1)

Ampacities of Aluminum or Copper-Clad Aluminum Conductors (1)

3-46

(1)

Ampacities of Aluminum and Copper-Clad Aluminum Conductors (3)

3-48

(1)

Ampacity Ratings for Flexible Cords and Power Cables at 30°C Ambient Temperature

3-50

(1)

Ampacity Adjustments for 4 or More Conductors in a Cable or Raceway

3-51

(1)

Ampacity Ratings for Single-Phase Service or Feeder Conductors in Normal Dwelling Units

3-51

(1)

Branch Circuit Requirements

3-52

(1)

Branch Circuit Permissible Loads

3-53

(1)

Branch Circuit Fixture Wire Tap Sizes

3-53

(1)

Maximum Cord-and-Plug Connected Load to Receptacle

3-54

(1)

Receptacle Ratings for Various Size Circuits

3-54

(1)

Demand Factors for Household Electric Clothes Dryers

3-54

(1)

Demand Factors for Nondwelling Receptacle Loads

3-54

(1)

Demand Factors for Kitchen Equipment in Nondwelling Applications

3-55

(1)

Lighting Load Demand Factors

3-55

(1)

Lighting Loads by Occupancy

3-56

(1)

Chapter 4 Receptacles, Switches, Interior Wiring, and Lighting

4-1

(1)

Receptacles in Damp Locations

4-1

(1)

Receptacles in Wet Locations

4-1

(1)

Tamper-Resistant Receptacles in Dwelling Units

4-2

(1)

ARC-Fault Circuit-Interrupter Protection

4-2

(1)

AFCI Receptacle Locations

4-2

(1)

GFCI Receptacle Locations

4-3

(1)

GFCI Wiring Diagrams

4-4

(1)

Wiring Diagrams for Nema Plug and Receptacle Configurations

4-5

(1)

Wiring Diagrams for AC Switches

4-10

(1)

Wiring Diagrams for Pilot Light and Lighted Toggle Switches

4-11

(1)

Family Room with Split-Wired Receptacles and Switched Circuit

4-12

(1)

Residential Smoke Alarm Guidelines

4-13

(1)

Residential Area Requirements for Smoke Alarm

4-14

(1)

Smoke Alarm Wiring Requirements

4-14

(1)

Family Room and Bedroom Receptacle Outlet Spacing

4-15

(1)

Family Room Wiring Details

4-16

(1)

WetBar and Track Lighting Wiring Details

4-16

(1)

Bedroom Wiring Details

4-17

(1)

Clothes Closet Wiring Details

4-17

(1)

Hallway and Stairwell Wiring Details

4-18

(1)

Laundry Room Wiring Details

4-18

(1)

Kitchen Receptacles

4-19

(1)

Countertop Receptacle Outlet Spacing

4-20

(1)

Kitchen Wiring Details

4-21

(1)

Bathroom Receptacles and Spacing

4-23

(1)

Bathroom Wiring Details

4-24

(1)

Crawl Space and Inside Equipment Wiring Details

4-25

(1)

Unfinished Basement Wiring Details

4-26

(1)

Garage and Shop Receptacles

4-27

(1)

Garage and Shop Wiring Details

4-28

(1)

Storage Area Wiring Details

4-28

(1)

Outdoor Receptacles

4-29

(1)

Outdoor Wiring Details

4-30

(1)

Recommended Light Levels

4-31

(1)

Lamp Advantages and Disadvantages

4-32

(1)

Lamp Ratings

4-32

(1)

Lumens, Life, and Efficacy for Various Lamps

4-33

(1)

Light Source Characteristics

4-35

(1)

Common Fluorescent Types

4-36

(1)

Common Shape Identifiers

4-36

(1)

Chapter 5 Grounding and Bonding

5-1

(1)

Resistivities of Different Metals

5-1

(1)

Resistivities of Different Soils

5-1

(1)

Basic Grounded Conductor Rules

5-2

(1)

Grounded Conductor-Neutral

5-4

(1)

Grounded Conductor-Not Neutral

5-4

(1)

Grounding Different Types of Circuits

5-5

(1)

Grounding an Existing Circuit

5-7

(1)

Grounding a Screw-Shellbase

5-7

(1)

Bonding a Typical Service Entrance

5-8

(1)

Bonding Service Equipment Methods

5-9

(1)

Bonding Jumpers for Grounding Equipment Conductor Raceways

5-10

(1)

Equipment Bonding Jumpers

5-11

(1)

Equipment Grounding Conductors

5-12

(1)

Minimum Size Conductors for Grounding Raceway and Equipment

5-13

(1)

Basic Grounding Connections

5-14

(1)

Grounding Electrode Conductors for AC Systems

5-15

(1)

Types of Grounding Methods per the NEC®

5-16

(1)

Grounding a Basic Nonmetallic Underground Service Raceway

5-17

(1)

Grounding a Basic Overhead Electrical Service

5-18

(1)

General Requirements for Grounding and Bonding Services

5-19

(1)

Grounding a Typical Residential Wiring System

5-20

(1)

Grounded Primary Distribution System

5-22

(1)

Chapter 6 Motors

6-1

(1)

Designing Motor Branch Circuits

6-1

(1)

Motor Branch Circuit Requirements

6-2

(1)

Nema Ratings of AC Motor Starters in Amps Per HP, Phase, and Voltage

6-4

(1)

Full-Load Currents in Amps for Various Three-Phase AC Motors

6-5

(1)

Three-Phase AC Motor Requirements

6-6

(1)

Full-Load Currents in Amps for Single-Phase AC Motors

6-8

(1)

Small Motor Guide

6-8

(1)

Full-Load Currents in Amps for Direct Current Motors

6-9

(1)

Direct Current Motor Requirements

6-10

(1)

DC Motor Performance Characteristics

6-11

(1)

Maximum Acceleration Time

6-11

(1)

Horsepower Ratings for 240 Volt AC Safety Switches

6-12

(1)

Maximum Rating or Setting of Motor Branch Circuit Overcurrent Protective Devices in Percent of Full-Load Current

6-14

(1)

Overload Device Placement

6-15

(1)

Horsepower Formulas

6-16

(1)

Efficiency Formulas

6-16

(1)

Voltage Unbalance

6-16

(1)

Temperature Conversions

6-16

(1)

Locked Rotor Current Formulas

6-17

(1)

Gear Reducer Formulas

6-18

(1)

Motor Torque Formulas

6-18

(1)

Motor Torque per Motor Speed

6-19

(1)

Tips on Selecting Motors

6-22

(1)

Direct Current Motor Data

6-23

(1)

Applications for Direct Current and Single-Phase Motors

6-24

(1)

Squirrel-Cage Motor Data

6-26

(1)

Applications for Squirrel-Cage Motors

6-27

(1)

Wound-Rotor Motor Data

6-28

(1)

Synchronous Motor Data

6-29

(1)

Applications for Wound-Rotor and Synchronous Motors

6-30

(1)

Types of Motor Enclosures

6-31

(1)

Types of Insulation

6-31

(1)

Motor Frame Letters

6-32

(1)

Shaft Coupling Selections

6-32

(1)

Motor V-Belts

6-33

(1)

V-Belt per Motor Size

6-33

(1)

Nema Motor Frame Dimensions

6-34

(1)

Frontal View of a Typical Motor

6-35

(1)

Reference Page 6-34 for Dimensions

6-35

(1)

Side View of a Typical Motor

6-35

(1)

Rotation and Terminal Markings for Direct Current Motors

6-36

(1)

Rotation and Terminal Markings for Single-Phase Motors

6-37

(1)

Split-Phase, Squirrel-Cage Motors

6-37

(1)

Split-Phase Motor Rotation

6-39

(1)

Delta-Wound Motor Connections 240/480 V

6-40

(1)

Wye-Wound Motor Connections 240/480 V

6-40

(1)

Dual-Voltage, 3phi, Wye-Connected Motors

6-41

(1)

Dual-Voltage, 3phi Delta-Connected Motors

6-42

(1)

Star-Connected, Polyphase Motor

6-43

(1)

Reversing Three-Phase Motors

6-43

(1)

Motor Control Circuit Schematics

6-44

(1)

Wiring Diagram of a Single-Phase Motor Connected to a Three-Phase Motor Starter

6-45

(1)

Wiring Diagram of Hand Off Motor Control

6-46

(1)

Wiring Diagram of Jogging with Control Relay

6-47

(1)

Contactor and Motor Starter Troubleshooting Guide

6-48

(1)

Direct Current Motor Troubleshooting Guide

6-50

(1)

Three-Phase Motor Troubleshooting Guide

6-52

(1)

Split-Phase Motor Troubleshooting Guide

6-54

(1)

Chapter 7 Transformers

7-1

(1)

Sizing Transformer Circuits

7-1

(1)

Three-Phase Connections

7-2

(1)

Transformer Turns Ratio

7-3

(1)

Feeder Tap and Transformer Tap Installation Guidelines

7-4

(1)

Transformer Feed Tap Not Over 25 Feet Long

7-5

(1)

Sizing Single-Phase Transformers

7-6

(1)

Sizing Three-Phase Transformers

7-7

(1)

Transformer Deratings Resulting from Higher Ambient Temperatures

7-8

(1)

Calculating Derated kVA Capacity from Higher Ambient Temperatures

7-8

(1)

Current-Voltage Relationship Between High Side and Low Side of a Transformer

7-9

(1)

Testing a Transformer for Polarity

7-9

(1)

Diagram of a Current Transformer

7-9

(1)

Single-Phase Transformer Circuits

7-10

(1)

Single-Phase Transformer Connections

7-11

(1)

Various Transformer Connections

7-14

(1)

Three-Phase Transformer Connections

7-15

(1)

A Split-Coil Transformer

7-23

(1)

An Additive-Polarity Transformer

7-23

(1)

Secondary Ties

7-24

(1)

Loads Connected Between Transformer Supply Points

7-24

(1)

Autotransformer

7-25

(1)

Typical Boost Transformer Connections

7-26

(1)

Typical Buck Transformer Connections

7-27

(1)

Transformer Sound Levels

7-28

(1)

Transforming Winding Ratios

7-28

(1)

Satisfactory Voltage Levels

7-28

(1)

Chapter 8 Communications and Electronics

8-1

(1)

Telephone Connections

8-1

(1)

Standard Telecom Color Coding

8-2

(1)

Separation and Physical Protection for Premises Wiring

8-3

(1)

Minimum Separation Distance from Power Source at 480 V or Less

8-3

(1)

Conductors Entering Buildings

8-4

(1)

Circuit Protection Requirements

8-4

(1)

Interior Communications Conductors

8-5

(1)

Telephone Connections

8-6

(1)

EIA Color Code

8-6

(1)

Twisted-Pair Plugs and Jacks

8-6

(1)

Phone Jacks

8-6

(1)

Cross Connections

8-7

(1)

Category Cabling

8-7

(1)

Installation Requirements

8-7

(1)

Types of Data Networks

8-7

(1)

Standard Configurations for Several Common Networks

8-8

(1)

Ethernet 10BaseT, Straight-Thru Patch Cord

8-8

(1)

Ethernet 10BaseT, Crossover Patch Cord

8-8

(1)

EIA-606 Colors and Functions of Cabling

8-8

(1)

Thermostat Wiring Guide

8-9

(1)

Wiring Guide for Thermostat, Furnace, and Air Conditioning

8-9

(1)

Basic Thermostat Circuit

8-10

(1)

Twin-Type Thermostat Circuit

8-11

(1)

Intruder Alarm Circuit with Annunciator and Relay

8-12

(1)

Electronic Wiring Color Codes

8-13

(1)

Color Codes for Resistors

8-14

(1)

Standard Values for Resistors

8-15

(1)

Capacitors

8-15

(1)

Color Codes for Capacitors

8-16

(1)

Color Codes for Ceramic Capacitors

8-16

(1)

Characteristics of Lead-Acid Batteries

8-17

(1)

Magnetic Permeability of Some Common Materials

8-17

(1)

Transistor Circuit Abbreviations

8-17

(1)

Radio Frequency Classifications

8-17

(1)

Small Tube Fuses

8-18

(1)

Chapter 9 Electrical and Job Safety

9-1

(1)

Electrical Safety Guidelines

9-1

(1)

Effect of Electric Current on the Human Body

9-2

(1)

Electrical Safety Checklist

9-3

(1)

Lockout/Tagout Procedures

9-4

(1)

Work Area Control

9-5

(1)

OSHA Safety Color Codes

9-5

(1)

Top OSHA Electrical Violations (2001)

9-6

(1)

Wiring Design and Protection for Construction Sites

9-7

(1)

Required Working Clearance-Minimum Depth in Feet

9-10

(1)

Minimum Elevation of Unguarded Live Parts Above Working Space in Feet

9-10

(1)

Minimum Clearance-Live Parts

9-11

(1)

Portable Ladder Safety

9-12

(1)

Electrical Glove Inspection

9-13

(1)

Tree Trimming and Removal Safety

9-14

(1)

Portable Generator Safety

9-15

(1)

First Aid Guide

9-16

(1)

Types of Fire Extinguishers

9-20

(1)

Chapter 10 Materials and Tools

10-1

(1)

Strength Gain vs. Pull Angle

10-1

(1)

Length of Wire Cable Per Reel

10-1

(1)

Sheet Metal Screw Characteristics

10-2

(1)

Wood Screw Characteristics

10-3

(1)

Hex Head Bolt and Torque Characteristics

10-4

(1)

Whitworth Hex Head Bolt and Torque Characteristics

10-6

(1)

Metric Hex Head Bolt and Torque Characteristics

10-7

(1)

Allen Head and Machine Screw Bolt and Torque Characteristics

10-8

(1)

Tightening Torque in Pound-Feet-Screw Fit

10-9

(1)

Screw Torques

10-9

(1)

Standard Taps and Dies

10-10

(1)

Taps and Dies-Metric Conversions

10-11

(1)

Recommended Drilling Speeds

10-12

(1)

Torque Lubrication Effects in Foot-Pounds

10-13

(1)

Metalworking Lubricants

10-13

(1)

Types of Soldering Flux

10-14

(1)

Hard Solder Alloys

10-14

(1)

Soft Solder Alloys

10-14

(1)

Properties of Welding Gases

10-15

(1)

Welding Rods-36" Long

10-15

(1)

Pulley and Gear Formulas

10-16

(1)

Standard V Belt Lengths in Inches

10-18

(1)

Extension Cord Sizes for Portable Tools

10-20

(1)

Chapter 11 Conversion Factors, Mathematics, and Units of Measurement

11-1

(1)

Commonly Used Conversion Factors

11-1

(1)

Metric to Trade Size

11-5

(1)

Decimal Equivalents of Fractions

11-6

(1)

Millimeter and Decimal Inch Equivalents

11-7

(1)

Metric Measurements

11-8

(1)

U.S. Measurements

11-10

(1)

Mathematics

11-12

(1)

Commonly Used Geometrical Relationships

11-16

(1)

Common Engineering Units and Their Relationship

11-17

(1)

Conversion Table for Temperature-°F/°C

11-18

(1)

Electrical Prefixes

11-20

(1)

Common Prefixes

11-20

(1)

Common Electrical Quantities

11-20

(1)

Conversion Table

11-20

(1)

Chapter 12 Symbols

12-1

(1)

Switch Outlets

12-1

(1)

Lighting Outlets

12-2

(1)

Receptacle Outlets

12-4

(1)

General

12-6

(1)

Panelboards, Switchboards, and Related Equipment

12-9

(1)

Circuiting and Wiring

12-9

(1)

Motor Control

12-10

(1)

Switch

12-14

(1)

PushButton, Momentary, or Spring Return

12-14

(1)

PushButton, Maintained, or No-Spring Return

12-14

(1)

Chapter 13 Glossary

13-1

Dewalt Electrical Professional Reference - 2017 NEC 4th ed. [Pehme köide]

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