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DEWALT Electrical Professional Reference - 2017 NEC

Product Code/ISBN: 9781337271394

The ultimate electrical reference that can answer any question you have, whether you have been in the field for years or are just starting! 



  1. Circuits, Formulas, and Voltage Drop Calculations
    1. Ohm’s Law/Power Formulas
    2. Ohm’s Law Diagram and Formulas
    3. Power Diagram and Formulas
    4. Ohm’s Law and Impedance
    5. AC/DC Power Formulas
    6. Three-Phase AC Circuits and the Utilization of Power
    7. Wye Connection
    8. Delta Connection
    9. Four-Wife System
    10. Multi-Wire System Voltages
    11. Formulas for Sine Waves
    12. Calculating Peak, Average, and Root-Mean-Square
    13. Kirchhoff’s Law
    14. Power Factor
    15. Types of Power
    16. True Power and Apparent Power
    17. Power Factor Formula
    18. Power Factor Improvement
    19. Capacitor Correction for Three-Phase Motors
    20. Delta and Wye Resistor Circuits
    21. Summary of Series, Parallel, and Combination Circuits
    22. Circuit Characteristics
    23. Capacitance
    24. Capacitors Connected in Series/Parallel
    25. Capacitance
    26. Capacitors Connected in Series/Parallel
    27. Capacitive Reactance
    28. Inductance
    29. Inductors Connected in Series/Parallel
    30. Inductive Reactance
    31. Voltage Drop Using Ohm’s Law
    32. Using Distance to Load
    33. Calculating Branch
    34. Circuit Voltage Drop in Percent
    35. Voltage Drop Formulas
    36. Conductor Length/Voltage Drop
    37. Conductor Size/Voltage Drop
    38. Wire Length vs. Wire Size (Max Voltage Drop)
    39. Voltage Drop Ampere-Feet
    40. Voltage Drop Table
  2. Conduit, Cable, and Underground Installations
    1. Bending EMT Stub-Ups
    2. Back-to-Back Bending
      1. Bend Offset
      2. Bend Saddle
    3. Chicago-Type Conduit Bender-90 Bending
    4. Chicago-Type Conduit Bender-Offset Bending
    5. Multi-Shot 90 Conduit Bending
    6. Box Offests
    7. Offset Travel
    8. Kick Adjustments
    9. EMT Take-Up for Hand Benders
    10. Gain and Radius
    11. Support Spacing for Rigid Metal Conduit
    12. Support Spacing for EMT and Metal Conduit
    13. Support Spacing for Rigid PVC
    14. Support Spacing for Flexible Conduits
    15. Expansion Characteristics of PVC Rigid Nonmetallic Conduit
  3. Ampacity, Box Fill, Branch Circuits, Conductors, Enclosures, and Raceways
    1. Ampacity of Lamp and Extension Cords – Types S, SJ, SJT, SP, SPT, and ST
    2. Vertical Conductor Supports
    3. Conductor Color Code
    4. Power Wiring Color Code
    5. Power Transformer Color Code
    6. Grouped Conductors
    7. Paralleled Conductors
    8. Electrical Cable Class Ratings
    9. Cable Insulation Moisture Ratings
    10. Conductor Prefix Codes
    11. Conductor Applications
    12. Enclosure Types
    13. Classifications of hazardous Locations
    14. Division 1 Examples
    15. Sizes of PanelBoards
    16. Sizes of Gutters and Wireways
    17. Sizes of Disconnects
    18. Sizes of Pull Boxes and Junction Boxes
    19. CBs and Fuses
    20. Switchboards or Switchgear
    21. Area Dimensions of Insulated Conductors
    22. Junction Box Calculations
    23. Conductor Volume Allowance
    24. Box Fill
    25. Rigid Metal Conduit – Maximum Number of Conductors
    26. Liquidright Flexible Metal Conduit – Maximum Number of Conductors
    27. Nonmetallic Tubing – Maximum Number of Conductors
    28. Electrical Metallic Tubing – Maximum Number of Conductors
    29. Flexible Metal Conduit – Maximum Number of Conductors
    30. Rigid PVC Schedule 40 Conduit – Maximum Number of Conductors
    31. Rigid PVC Schedule 80 Conduit – Maximum Number of Conductors
    32. Copper Bus-Bar Data
    33. Comparative Weights of Copper and Aluminum Conductors lb per 1,000 ft.
    34. Copper Wire Specifications
    35. Copper Wire Resistance
    36. Conductor dimensions and Resistance
    37. AC Resistance, Reactance, and Impedance for 1,000 Volt Cables Measured in Ohm’s to Natural
    38.  Ampacities of Copper Conductors (1)
    39. Ampacities of Copper Conductors (3)
    40. Ampacities of Aluminum or Copper-Clad Aluminum Conductors (1)
    41. Ampacities of Aluminum and Copper-Clad Aluminum Conductors (3)
    42. Ampacity Ratings for Flexible Cords and Power Cables at 308C Ambient Temperature
    43. Ampacity Adjustments for 4 or More Conductors in a Cable or Raceway
    44. Ampacity Ratings for Single-Phase Service or Feeder Conductors in Normal Dwelling Units
    45. Branch Circuit Requirements
    46. Branch Circuit Permissible Loads
    47. Branch Circuit Fixture Wire Tape Sizes
    48. Maximum Cord-and-Plug Connected Load to Receptacle
    49. Receptacle Ratings for Various Size Circuits
    50. Demand Factors for Nondwelling Receptacle Loads
    51. Demand Factors for Kitchen Equipment in Nondwelling Applications
    52. Lighting Load Demand Factors
    53. Lighting Loads by Occupancy
  4. Receptacles, Switches, Interior Wiring, and Lighting
    1. Receptacles in Damp Locations
    2. Receptacles in Wet Locations
    3. Tamper-Resistant Receptacles in Dwelling Units
    4. ARC-Fault Circuit-Interrupter Protection
    5. AFCI Receptacle Locations
    6. GFCI Receptacle Locations
    7. GFCI Wiring Diagrams
    8. Wiring Diagrams for Nema Plug and Receptacle Configurations
    9. Wiring Diagrams for AC Switches
    10. Wiring Diagrams for Pilot Light and Lighted Toggle Switches
    11. Family Room with Split-Wired Receptacles and Switched Circuit
    12. Residential Smoke Alarm Guidelines
    13. Residential Area Requirements for Smoke Alarm
    14. Smoke Alarm Wiring Requirements
    15. Family Room and Bedroom Receptacle Outlet Spacing
    16. Family Room Wiring Details
    17. Wetbar and Track Lighting Wiring Details
    18. Bedroom Wiring Details
    19. Clothes Closet Wiring Details
    20. Hallway and Stairwell Wiring Details
    21. Laundry Room Wiring Details
    22. Kitchen Receptacles
    23. Countertop Receptacle outlet Spacing
    24. Kitchen Wiring Details
    25. Bathroom Receptacles and Spacing
    26. Bathroom Wiring Details
    27. Crawl Space and Inside Equipment Wiring Details
    28. Unfinished Basement Wiring Details
    29. Garage and Shop Receptacles
    30. Garage and Shop Wiring Details
    31. Storage Area Wiring Details
    32. Outdoor Receptacles
    33. Outdoor Wiring Details
    34. Recommended Light Levels
    35. Lamp Advantages and Disadvantages
    36. Lamp Ratings
    37. Lumens, Life, and Efficacy for Various Lamps
    38. Light Source Characteristics
    39. Common Fluorescent Types
    40. Common Shape Identifiers
  5. Grounding and Bonding
    1. Resistivities of Different Metals
    2. Resistivities of Different Soils
    3. Basic Grounded Conductor Rules
    4. Grounded Conductor-Neutral
    5. Grounded Conductor-Not Neutral
    6. Grounding Different Types of Circuits
    7. Grounding an Existing Circuit
    8. Grounding a Screw-Shellbase
    9. Bonding a Typical Service Entrance
    10. Bonding Service Equipment Methods
    11. Bonding Jumpers for Grounding Equipment Conductor Raceways
    12. Equipment Bonding Jumpers
    13. Equipment Grounding Conductors
    14. Minimum Size Conductors for Grounding Raceway and Equipment
    15. Basic Grounding Connections
    16. Grounding Electrode Conductors for AC Systems
    17. Types of Grounding methods per the NEC
    18. Grounding a Basic Nonmetallic Underground Service Raceway
    19. Grounding a Basic Overhead Electrical Service
    20. General Requirements for Grounding and Bonding Services
    21. Grounding a Typical Residential Wiring System
    22. Grounded Primary Distribution System
  6. Motors
    1. Designing Motor Branch Circuits
    2. Motor Branch Circuit Requirements
    3. Nema Ratings of AC Motor Starters in Amps per HP, Phase, and Voltage
    4. Full-Load Currents in Amps for Various Three-Phase AC Motors
    5. Three-Phase AC Motor Requirements
    6. Full-Load Currents in Amps for Single-Phase AC Motors
    7. Small Motor Guide
    8. Full-Load Currents in Amps for Direct Current Motors
    9. Direct Current Motor Requirements
    10. DC Motor Performance Characteristics
    11. Maximum Acceleration Time
    12. Horsepower Ratings for 240 Volt AC Safety Switches
    13. Maximum Rating of Setting of Motor Branch Circuit Overcurrent Protective Devises in Percent
    14. Overload Device Placement
    15. Horsepower Formulas
    16. Efficiency Formulas
    17. Voltage Unbalance
    18. Temperature Conversions
    19. Locked Rotor Current Formulas
    20. Gear Reducer Formulas
    21. Motor Torque Formulas
    22. Motor Torque per Motor Speed
    23. Tips on Selecting Motors
    24. Direct Current Motor Data
    25. Applications for Direct Current and Single-Phase Motors
    26. Squirrel-Cage Motor Data
    27. Applications for Squirrel-Cage Motors
    28. Wound-Rotor Motor Data
    29. Synchronous Motor Data
    30. Applications for Wound-Rotor and Synchronous Motors
    31. Types of Motor Enclosures
    32. Types of Insulation
    33. Motor Frame Letters
    34. Shaft Coupling Selections
    35. Motor V-Belts
    36. V-Belt per Motor Size
    37. Nema Motor Frame Dimensions
    38. Frontal View of a Typical Motor
    39. Reference Page 6-34 for Dimensions
    40. Side View of a Typical Motor
    41. Rotation and Terminal Markings for Direct Current Motors
    42. Rotation and Terminal Markings for Single-Phase Motors
    43. Split-Phase, Squirrel-Cage Motors
    44. Split-Phase Motor Rotation
    45. Delta-Wound Motor Connections 240/480 V
    46. Wye-Wound Motor Connections 240/480 V
    47. Dual-Voltage, 3f, Wye-Connected Motors
    48. Dual-Voltage, 3f Delta-Connected Motors
    49. Star-Connected, Polyphase Motor
    50. Reversing Three-Phase Motors
    51. Motor Control circuit Schematics
    52. Wiring Diagram of a Single-Phase Motor Connected to a Three-Phase Motor Starter
    53. Wiring Diagram of Hand Off Motor Control
    54. Wiring Diagram of Jogging with Control Relay
    55. Contactor and Motor Starter Troubleshooting Guide
    56. Direct Current Motor Troubleshooting Guide
    57. Three-Phase Motor Troubleshooting Guide
    58. Split-Phase Motor Troubleshooting Guide
  7. Transformers
    1. Sizing Transformer Circuits
    2. Three-Phase Connections
    3. Transformer Turns Ratio
    4. Feeder Tap and Transformer Tap Installation Guidelines
    5. Transformer Feed Tap Not Over 25 Feet Long
    6. Sizing Single-Phase Transformers
    7. Sizing Three-Phase Transformers
    8. Transformer Deratings Resulting from Higher Ambient Temperatures
    9. Calculating Derated kVA Capacity from Higher Ambient Temperatures
    10. Current-Voltage Relationship Between High Side and Low Side of a Transformer
    11. Testing a Transformer for Polarity
    12. Diagram of a Current Transformer
    13. Single-Phase Transformer Circuits
    14. Single-Phase Transformer Connections
    15. Various Transformer Connections
    16. Three-Phase Transformer Connections
    17. A Split-Coil Transformer
    18. An Additive-Polarity Transformer
    19. Secondary Ties
    20. Loads Connected Between Transformer Supply Points
    21. Autotransformer
    22. Typical Boost Transformer Connections
    23. Typical Buck Transformer Connections
    24. Transformer Sound Levels
    25. Transforming Winding Ratios
    26. Satisfactory Voltage Levels
  8. Communications and Electronics
    1. Telephone Connections
    2. Standard Telecom Color Coding
    3. Separation Telecom Color Coding
    4. Separation and Physical Protection for Premises Wiring
    5. Minimum Separation Distance from PowerSource at 480 V or Less
    6. Conductors Entering Buildings
    7. Circuit Protection Requirements
    8. Interior Communications Conductors
    9. Telephone Connections
    10. EIA Color Code
    11. Twisted-Pair Plugs and Jacks
    12. Phone Jakcs
    13. Cross Connections
    14. Category Cabling
    15. Installation Requirements
    16. Types of Data Networks
    17. Standard Configurations for Several Common Networks
    18. Ethernet 10BaseT, Straight-Thru Patch Cord
    19. Ethernet10BaseT, Crossover Patch Cord
    20. EIA-606 Colors and Functions of Cabling
    21. Thermostat Wiring guide
    22. Wiring Guide for Thermostat, Furnace, and Air Conditioning
    23. Basic Thermostat Circuit
    24. Twin-Type Thermostat Circuit
    25. Intruder Alarm Circuit with Annunciator and Relay
    26. Electronic Wiring Color Codes
    27. Color Codes for Resistors
    28. Standard Values for Resistors
    29. Capacitors
    30. Color Codes for Capacitors
    31. Color Codes for Ceramic Capacitors
    32. Characteristics of Lead-Acid Batteries
    33. Magnetic Permeability of Some Common Materials
    34. Transistor Circuit Abbreviations
    35. Radio Frequency Classifications
    36. Small Tube Fuses
  9. Electrical and Job Safety
    1. Electrical Safety Guidelines
    2. Effect of Electric Current on the Human Body
    3. Electrical Safety Checklist
    4. Lockout/Tagout Procedures
    5. Work Area Control
    6. OSHA Safety Color Codes
    7. Top OSHA Electrical Violations (2001)
    8. Wiring Design and Protection for Construction Sties
    9. Required Working Clearance-Minimum Depth in Feet
    10. Minimum Elevation of Unguarded Live Parts Above Working Space in Feet
    11. Minimum Clearance – Live Parts
    12. Portable Ladder Safety
    13. Electrical Glove Inspection
    14. Tree Trimming and Removal Safety
    15. Portable Generator Safety
    16. First Aid Guide
    17. Types of Fire Extinguishers
  10. Materials and Tools
    1. Strength Gain vs. Pull Angle
    2. Length of Wire Cable Per Reel
    3. Sheet Metal Screw Characteristics
    4. Wood Screw Characteristics
    5. Hex Head Bolt and Torque Characteristics
    6. Whitworth Hex Head Bolt and Torque Characteristics
    7. Metric Hex Head Bolt and Torque Characteristics
    8. Allen Head and Machine Screw Bolt and Torque Characteristics
    9. Tightening Torque in Pound-Feet-Screw Fit
    10. Screw Torques
    11. Standard Taps and Dies
    12. Taps and Dies – Metric Conversions
    13. Recommend Drilling Speeds
    14. Torque lubrication Effects in Foot-Pounds
    15. Metalworking Lubricants
    16. Types of Soldering Flux
    17. Hard Solder Alloys
    18. Soft Solder Alloys
    19. Properties of Welding Gases
    20. Welding Rods – 36” Long
    21. Pulley and Gear Formulas
    22. Standard V Belt Lengths in Inches
    23. Extension Cord Sizes for Portable Tools
  11. Conversion Factors, Mathematics, and Units of Measurement
    1. Commonly Used Conversion Factors
    2. Metric to Trade Size
    3. Decimal Equivalents of Fractions
    4. Millimeter Decimal Inch Equivalents Metric Measurements
    5. U.S. Measurements
    6. Mathematics
    7. Commonly Used Geometrical Relationships
    8. Common Engineering Units and Their Relationship
    9. Conversion Table for Temperature – F/C
    10. Electrical Prefixes
    11. Common Prefixes
    12. Common Electrical Quantities
    13. Conversion Table
  12. Symbols
    1. Switch Outlets
    2. Lighting Outlets
    3. Receptacle Outlets
    4. General
    5. Panelboards, Switchboard, and Related Equipment
    6. Circuiting and Wiring
    7. Motor Control
    8. Switch
    9. PushButton, Momentary, or Spring Return
    10. PushButton, Maintained, or No-Spring Return
  13. Glossary
  14. About the Author.