ORDER FROM CATALOG

Item number Qty

CUSTOMER SALES
custserv@nfpa.org
800-344-3555 Toll Free
617-770-3000 Int'l
8:30 am - 5:00pm (EST)
Monday - Friday

Canadian Customers
International Customers

 
PRODUCT DETAIL

NFPA 497M: Manual for Classification of Gases Vapors and Dusts for Electrical Equipment in Hazardous (Classified) Locations - Other Prior Editions

Looking for other prior editions of this document?  See the Other Prior Editions tab below to select and order.
Item # NFPA497MARCHIV
FormatListMember *
PDF $29.00$26.10 Select an Edition
DescriptionOther Prior Editions
EditionEdition Notes
1983ANSI approved See NFPA 70-1978 Article 500 for prior history of extensive lists of gases vapors and dusts and their group classifications as recommended by the National Materials Advisory Board of the National Academy of SciencesAdd
1986Add
1991ANSI approved Withdrawn at NFPA 1997 Annual Meeting Parts of incorporated into NFPA 497 and NFPA 499 in 1997Add

National Fire Codes Subscription Service All Access

National Fire Codes Subscription Service All Access

Access to every code and standard, Handbooks, and Annotated Editions. Get expert insights and graphics to help clarify code concepts!

Item#: NFCSSTERHB
List: $1,295.00
Member: $1,165.50

Choose Subscription Term
CUSTOMERS ALSO BOUGHT

NFPA 77: Recommended Practice on Static Electricity, 2014 Edition

NFPA 77: Recommended Practice on Static Electricity, 2014 Edition
Item#: 7714
List: $46.50
Member: $41.85
Format: Book

Choose Format
YOU MIGHT ALSO LIKE

New U.S./Canadian Membership

New U.S./Canadian Membership
Item#: MBRR
List: $165.00
Member: $165.00

Choose Membership Term