Guide to The National Electrical Code® 2005 Edition
Prentice Hall Professional Technical Reference
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Copyright © 2005 Pearson Education, Inc.
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ISBN 0-13-148002-2
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First printing, May 2005
Contents
1-1. The Master Electrician and the Master Electrician’s Examination
1-1.1 The Examination 1-1.2 The Mechanics of Test Taking
1-2.1 International Units and Terms 1-2.2 Practical Considerations and Code Design
1-3. The National Electrical Code
1-3.1 Purpose, Scope, and Enforcement 1-3.2 Organization
1-3.3 Classification of Code Rules
1-4. State and Local Codes and Ordinances
Part I. Wiring Design Calculations
2 Services, Feeders, and Branch Circuits
2-2.1 General Design Rules for Services 2-2.2 Sample Service Calculation
2-3.1 General Feeder Design Rules 2-3.2 Sample Feeder Calculation Using Demand Factors
2-4.1 General Branch-Circuit Design Rules 2-4.2 Branch-Circuit Calculation Techniques
2-5. Other Design Considerations—Temperature Ratings
3-1. Branch-Circuit Load Calculations
3-1.1 Lighting and Receptacle Branch Circuits 3-1.2 Motor Branch Circuits 3-1.3 Individual Appliance Branch Circuits 3-1.4 Branch Circuits for Space-Heating Equipment 3-1.5 Branch Circuits for Air-Conditioning Equipment 3-1.6 Mixed Loads on Branch Circuits 3-1.7 Branch-Circuit Design Summary
3-2. Feeder or Service Calculations
3-2.1 Feeders for Lighting and Receptacle Circuits 3-2.2 Feeders for Motor Circuits 3-2.3 Feeders for Appliances and Electric Space Heating 3-2.4 Feeder Design Summary 3-2.5 Special Feeder Problems
4 Calculations for Dwelling Type Occupancies
4-1. One-Family Dwellings and Individual Dwelling Units
4-1.1 Branch-Circuit Design for Dwellings 4-1.2 Standard Calculation for Computing Feeder or Service Loads for Dwelling Units 4-1.3 Optional Calculations for Computing Feeder or Service Loads 4-1.4 Optional Calculation for Additional Loads in Existing Dwelling Units 4-1.5 Complete Design Examples for One-Family Dwellings
4-2. Multifamily Dwelling Calculations
4-2.1 Standard Calculation for Computing Feeder or Service Loads in Multifamily Dwellings 4-2.2 Optional Calculation for Multifamily Dwellings 4-2.3 Optional Calculation for Two-Family Dwellings 4-2.4 Complete Design Examples for Multifamily Dwellings
4-3. Special Multifamily Dwelling Problems
5 Electrical Circuit Design for Commercial and Industrial Occupancies
5-1. Typical Commercial Occupancy Calculations
5-1.1 Design Example for a Store with Show Window 5-1.2 Design Example for an Office Building 5-1.3 Design Example for an Office Building with Warehouse
5-2. Feeder and Service Design for Other Commercial Occupancies
5-2.1 Optional Calculation for New Restaurants 5-2.2 Services for Hotels and Motels
5-2.3 Optional Calculation for Schools 5-2.4 Feeder and Service Calculations for Farms
5-3. Special Occupancies and Equipment
5-3.1 Service Calculation for a Small Hospital 5-3.2 Power Supply and Feeder Design for Mobile Homes, Manufactured Homes, and Mobile Home Parks 5-3.3 Power Supply and Feeder Design for Recreational Vehicles and Recreational Vehicle Parks 5-3.4 Shore Power Circuits for Marinas and Boatyards 5-3.5 Miscellaneous Wiring System Design Rules
Part II. General Rules For Installations
6 Installation Rules for Specific Circuits or Systems
6-1. Installation of Branch Circuits
6-1.1 General Installation Rules for Branch Circuits 6-1.2 Branch-Circuit Installation Rules for Dwelling Units 6-1.3 Branch-Circuit Installation Rules for Guest Rooms or Guest Suites in Hotels and Motels
6-2. Installation Rules for Feeders
6-3. Installation Rules for Services
6-3.1 General Installation Rules for Services 6-3.2 Installation Rules for Service Disconnecting Means and Overcurrent Protection 6-3.3 Grounding and Bonding at Services
6-4. Systems Operating at Over 600 Volts
6-5. Miscellaneous Circuits and Systems
7 Installation of General Circuits and Equipment
7-1. Use of Conductors in Circuits
7-1.1 Overcurrent Protection of Conductors 7-1.2 Identification of Conductors
7-1.3 Size and Ampacity of Conductors 7-1.4 Properties of Conductors
7-1.5 Miscellaneous Types of Conductors
7-2. Installation and Protection of Conductors
7-2.1 General Rules for Conductor Installation 7-2.2 Conductors in Enclosures and Raceways 7-2.3 Underground Installations
7-3. Wiring Methods and Techniques
7-3.1 Wiring Methods Using Conductors and Cables 7-3.2 Wiring Methods Using Raceways 7-3.3 Other Wiring Methods and Techniques
7-4. Equipment Grounding and Bonding
7-4.1 Equipment Grounding 7-4.2 Equipment Bonding
7-5.1 Overcurrent Devices 7-5.2 Boxes Containing Outlets, Receptacles, Switches, or Devices 7-5.3 Conduit Bodies, Pull Boxes, and Junction Boxes 7-5.4 Cabinets and Cutout Boxes, Switches, Receptacles, and Luminaires
8 Installation Rules for Distribution Equipment
8-2. Switchboards and Panelboards
8-2.1 Switchboards 8-2.2 Panelboards
8-4. Installation Rules for Capacitors and Other Distribution Equipment
8-4.1 Capacitors 8-4.2 Other Distribution Equipment
9 Installation of Utilization Equipment
9-2. Fixed Electric Space-Heating Equipment
9-2.1 General Rules for Installation of Fixed Heating Equipment 9-2.2 Electric Space-Heating Cables 9-2.3 Other Fixed Heating Equipment
9-3.1 Disconnecting Means 9-3.2 Guarding and Grounding
9-4. Miscellaneous Utilization Equipment
10-2. Information Technology Equipment (Data-Processing Systems)
10-3.1 General Requirements for Pools 10-3.2 Requirements for Permanently Installed Pools
10-4. Miscellaneous Special Equipment
11-1. Hazardous (Classified) Locations
11-1.1 Class I Locations 11-1.2 Class II Locations 11-1.3 Class III Locations
11-1.4 Comparison of Classified Locations (Division 1)
11-2. Specific Class I Locations
11-2.1 Commercial Garages 11-2.2 Gasoline Dispensing and Service Stations
11-3. Other Special Occupancies
12 Special Conditions and Communications Circuits
12-1. Emergency and Standby Systems
12-1.1 Emergency Systems 12-1.2 Standby Systems
12-2. Remote-Control, Signaling, and Power-Limited Circuits
12-2.1 Class 1 Circuits 12-2.2 Class 2 and Class 3 Circuits
12-3. Other Special Conditions
12-5. Circuits and Equipment Operating at Over 600 Volts
Part III. General Electrical Theory
13. Review of Electrical Theory
13-3. Alternating-Current Theory
13-3.1 Inductors and Capacitors 13-3.2 Impedance 13-3.3 Power and Power Factor 13-3.4 Power Factor Correction 13-3.5 Energy (Watt-Hours)
13-4. Equipment in AC Circuits
13-4.1 Loads 13-4.2 Voltage Drop in Conductors 13-4.3 Transformers 13-4.4 Motors 13-4.5 Electrical Diagrams