Chapter 4 Electrical Prints, Specifi cations, and Codes 53 Copyright Goodheart-Willcox Co., Inc. Section Two—Special Installations Article Title Article Title 500 501 502 503 504 505 506 510 511 513 514 515 516 517 518 520 522 525 530 540 545 547 550 551 552 553 555 590 Hazardous (Classifi ed) Locations, Classes I, II, and III, Divisions 1 and 2 Class I Locations Class II Locations Class III Locations Intrinsically Safe Systems Zone 0, 1, and 2 Locations Zone 20, 21, and 22 Locations for Combustible Dusts, or Ignitible Fibers/ Flyings Hazardous (Classifi ed) Locations—Specifi c Commercial Garages, Repair and Storage Aircraft Hangars Motor Fuel Dispensing Facilities Bulk Storage Plants Spray Application, Dipping, Coating, and Printing Processes Using Flammable or Combustible Materials Health Care Facilities Assembly Occupancies Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations Control Systems for Permanent Amusement Attractions Carnivals, Circuses, Fairs, and Similar Events Motion Picture and Television Studios and Similar Locations Motion Picture Projection Rooms Manufactured Buildings Agricultural Buildings Mobile Homes, Manufactured Homes, and Mobile Home Parks Recreational Vehicles and Recreational Vehicle Parks Park Trailers Floating Buildings Marinas, Boatyards, and Commercial and Noncommercial Docking Facilities Temporary Installations 620 625 626 630 640 645 646 647 650 660 665 668 669 670 675 680 682 685 690 691 692 694 695 Elevators, Dumbwaiters, Escalators, Moving Walks, Platform Lifts, and Stairway Chairlifts Electric Vehicle Charging System Electrifi ed Truck Parking Spaces Electric Welders Audio Signal Processing, Amplifi cation, and Reproduction Equipment Information Technology Equipment Modular Data Centers Sensitive Electronic Equipment Pipe Organs X-Ray Equipment Induction and Dielectric Heating Equipment Electrolytic Cells Electroplating Industrial Machinery Electrically Driven or Controlled Irrigation Machines Swimming Pools, Fountains, and Similar Installations Natural and Artifi cially Made Bodies of Water Integrated Electrical Systems Solar Photovoltaic (PV) Systems Large-Scale Photovoltaic (PV) Electric Power Production Facility Fuel Cell Systems Wind Electric Systems Fire Pumps 700 701 702 705 706 708 710 712 720 725 727 728 750 760 770 Emergency Systems Legally Required Standby Systems Optional Standby Systems Interconnected Electric Power Production Sources Energy Storage Systems Critical Operations Power Systems (COPS) Stand-Alone Systems Direct Current Microgrids Circuits and Equipment Operating at Less Than 50 Volts Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits Instrumentation Tray Cable: ITC Fire-Resistive Cable Systems Energy Management Systems Fire Alarm Systems Optical Fiber Cables 600 604 605 610 Electric Signs and Outline Lighting Manufactured Wiring Systems Offi ce Furnishings (Consisting of Lighting Acces- sories and Wired Partitions) Cranes and Hoists Goodheart-Willcox Publisher Figure 4-14. The Special Installation section of the Code.