This book provides comprehensive coverage of electrical system installation within areas where flammable gases and liquids are handled and processed. The accurate hazard evaluation of flammability risks associated with chemical and petrochemical locations is critical in determining the point at which the costs of electrical equipment and installation are balanced with explosion safety requirements. The book offers the most current code requirements along with tables and illustrations as analytic tools. Environmental characteristics are covered in Section 1 along with recommended electrical installation and safety recommendations. Section 2 treats a number of application illustrations in detail. Section 3 presents examples for the application of classifying NEC Class 1 locations.
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Classifying Sources of Hazard
The Extent of Explosion Danger for NEC Class I Locations
The Degree of Explosion Danger for NEC Class II Locations
Electrical Equipment for NEC Class I Locations
Electrical Equipment for NEC Class II, Group F Locations
Intrinsically Safe Equipment and Wiring
Installation of Electrical Instruments in Hazardous Locations
Grounding of Tanks, Pipelines, and Tank Cars
Grounding Requirements for Electrical Equipment
Application of Seals in NEC Class I Locations
Application of Seals in NEC Class II Locations
Application of Fundamentals (General Requirements for Groups A-K)
Properties of Flammable Liquids, Gases and Vapor