Electrical Instruments in Hazardous LocationsNew edition of a text in the field of electrical safety first published in 1966. Covers historical background and perspective, classification of hazardous locations and combustible materials, ignition of gases and vapors by electrical means, and human safety. Chapters include extensive references to current legislation in the United States and other countries and uniform standards promulgated by other organizations. Appropriate for engineers; technically sophisticated, with appendices presenting derivations and examples of derivations. Annotation copyrighted by Book News, Inc., Portland, OR |
Contents
Chapter 2Area and Material Classification | 15 |
Area and Material Classification Outside the United States | 32 |
Effect of Changing Inert Gases | 51 |
Copyright | |
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Common terms and phrases
acetylene applied area classification arrester cable cadmium capacitance capacitor cause ignition CENELEC chamber Chapter circuit voltage combustion wave components concentration considered construction curves determined devices diameter dielectric strength diethyl ether diffusion diode discharge Division 1 location dust easily ignited effect electrical apparatus electrical equipment electrodes equation explosion explosion-proof housings flammable material flow fuse gas or vapor gases Group half-time hazardous locations hydrogen igniting current ignition capable ignition source ignition temperature increase inductance inductor inside the enclosure installation insulation intrinsically safe circuits intrinsically safe systems layer limit maximum measured mechanical MESG metal methane methane-air minimum ignition energy National Electrical Code NFPA nonhazardous nonincendive normal operation pentane practice present pressure rise probability propane protective purging quenching distance release requirements resistor seal sealed devices shunt spark specific stored energy supply surface Table transformer tungsten values venting volume wire zener diode