Definitions and information pertaining to electrical instruments in hazardous (classified) locations
Subtitle: standard.
Contributors: Instrument Society of America.
Publisher: Instrument Society of America
Published: 1991
Place of publication: Research Triangle Park, NC
Language: eng
Number of pages: 63
Subjects: Electric engineering -- Safety measures -- Standards; Electric apparatus and appliances -- Standards; Explosionproof electric apparatus and appliances -- Standards; Factories -- Fires and fire prevention
Notes: Includes bibliographical references (p. 48-53).
"ISA-S12.1-1991; Approved June, 1991."