4.1. Where Do Codes Come From?4.1.1. The Federal Communications Commission4.1.2. The National Fire Protection Association4.1.3. Underwriters Laboratories4.1.4. Codes and the Law4.2. The National Electrical Code4.2.1. NEC Chapter 1 General Requirements4.2.1.1. Article 100—Definitions4.2.1.2. Article 110.3 (B)—Installation and Use4.2.1.3. Article 110.26—Spaces about Electrical Equipment4.2.2. NEC Chapter 2 Wiring and Protection4.2.2.1. Article 225.14 (D)—Conductors on Poles4.2.2.2. Article 250—Grounding4.2.2.3. Article 250.4 (A)(4)—Bonding of Electrically Conductive Materials and Other Equipment4.2.2.4. Article 250.32—Two or More Buildings or Structures Supplied by a Feeder or Branch Circuit4.2.2.5. Article 250.50—Grounding-Electrode System4.2.2.6. Article 250.52—Grounding Electrodes4.2.2.7. Article 250.60—Use of Air Terminals4.2.2.8. Article 250.70—Methods of Grounding Conductor Connection to Electrodes4.2.2.9. Article 250.94—Bonding to Other Services4.2.2.10. Article 250.104—Bonding of Piping Systems and Exposed Structural Steel4.2.2.11. Article 250.119—Identification of Equipment-Grounding Conductors4.2.3. NEC Chapter 3 Wiring Methods and Materials4.2.3.1. Article 300.11—Securing and Supporting4.2.3.2. Article 300.21—Spread of Fire or Products of Combustion4.2.3.3. Article 300.22—Wiring in Ducts, Plenums, and Other Air-Handling Spaces4.2.4. NEC Chapter 5 Special Occupancy4.2.5. NEC Chapter 7 Special Conditions4.2.5.1. Article 725.1—Scope4.2.5.2. Article 760—Fire-Alarm Systems4.2.5.3. Article 770—Optical Fiber Cables and Raceways4.2.5.4. Article 770.12—Raceways for Optical Fiber Cables4.2.5.5. Article 770.24—Mechanical Execution of Work4.2.5.6. Article 770.154 (E)—Cable Substitutions4.2.5.7. Article 770.179—Listings, Marking, and Installation of Optical Fiber Cables4.2.5.8. Article 770.179—Listing Requirements for Optical Fiber Cables and Raceways4.2.5.9. Article 770.182—Optical Fiber Raceways4.2.6. NEC Chapter 8 Communications Systems4.2.6.1. Article 800.1—Scope4.2.6.2. Article 800.3 (A)—Hazardous Locations4.2.6.3. Article 800.24—Mechanical Execution of Work4.2.6.4. Article 800.44—Overhead Wires and Cables4.2.6.5. Article 800.47—Underground Circuits Entering Buildings4.2.6.6. Article 800.90—Protective Devices4.2.6.6.1. Types of Primary Protectors4.2.6.6.2. Requirements for Secondary Protectors4.2.6.7. Article 800.100—Cable Grounding4.2.6.8. Article 800.100—Primary-Protector Grounding4.2.6.9. Article 800.154—Installation of Communications Wires, Cables, and Equipment4.2.6.10. Article 179—Listings, Markings, and Installation of Communications Wires and Cables4.2.6.11. Article 800.182—Communications Raceways4.3. Knowing and Following the Codes4.4. The Bottom Line
