Schram, P. J.; Earley, M. W.
view article (10.004545)
National Fire Protection Assoc., Quincy, MA
NFPA HLH-88,
Electrical Installations in Hazardous Locations,
National Fire Protection Assoc., Quincy, MA,
319 p.,
1988
Schram, P. J.
view article (9.9981365)
Electric Lighting Fixtures.
International Association of Electrical Inspector News,
5,
January 1968
Schram, P. J.
view article (9.58703)
Ignition Temperature of Gases and Vapors as Applied to Electrical Equipment for Use in Hazardous Locations.
Underwriters Labs., Inc., Chicago, IL
Monograph 113,
Instrument Society of America (ISA). Electrical Safety Practices. Monograph 113. November 1971,
Wilmington, DE,
McKinney, A. H., Editors,
47-59 p.,
1971
Schram, P. J.; Earley, M. W.
view article (9.58703)
National Fire Protection Assoc., Quincy, MA
NFPA HLH-97; LC Card Catalog No. 97-075554,
Electrical Installations in Hazardous Locations. Second (2nd) Edition,
National Fire Protection Assoc., Quincy, MA,
318 p.,
1997