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Classification of gases, liquids, and volatile solids relative to explosion-proof electrical equipment.
NIOSH, 1982 Aug; :1-347
This report covers the classification of some 1500 gases, liquids, and highly volatile solids into groups according to article 500 of the National Electrical Code. This document represents a considerable expansion of a 1979 report, Matrix of Combustion-Relevant Properties and Classifications of Gases, Vapors and Selected Solids (NMAB 353-1).
Combustible-materials; Flammable-gases; Flammable-liquids; Electrical-hazards; Electrical-equipment
NTIS Accession No.
National Institute for Occupational Safety and Health
National Materials Advisory Board, National Academy of Sciences, Washington, DC 20418
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division