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NFPA 496 : 2017

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

PURGED AND PRESSURIZED ENCLOSURES FOR ELECTRICAL EQUIPMENT
Available format(s)

Hardcopy

Superseded date

08-14-2021

Language(s)

English

Published date

01-01-2017

Chapter 1 - Administration
Chapter 2 - Referenced Publications
Chapter 3 - Definitions
Chapter 4 - General Requirements for Pressurized
            Enclosures
Chapter 5 - Pressurized Enclosures for Class I
Chapter 6 - Pressurized Enclosures for Class II
Chapter 7 - Pressurized Control Rooms
Chapter 8 - Pressurized Enclosures Having an Internal
            Source of Flammable Gas or Vapor
Chapter 9 - Pressurized Analyzer Rooms Containing a
            Source of Flammable Gas, Vapor, or Liquid
Annex A - Explanatory Material
Annex B - Informational References
Index

Gives information on the methods for purging and pressurizing enclosures to prevent ignition of a flammable atmosphere.

DocumentType
Standard
Pages
29
PublisherName
National Fire Protection Association
Status
Superseded
SupersededBy
Supersedes

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IEC 60079-13:2017 Explosive atmospheres - Part 13: Equipment protection by pressurized room "p" and artificially ventilated room "v"
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