UNLIMITED FREE ACCESS TO THE WORLD'S BEST IDEAS

close
Already an Engineering360 user? Log in.

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.

Customize Your Engineering360 Experience

close

Select Your Free Newsletters

Industry Newsletters

Privacy Policy

This is embarrasing...

An error occurred while processing the form. Please try again in a few minutes.

Standards Library
  • All
  • News & Analysis
  • Products & Services
  • Standards Library
  • Reference Library
  • Community

I forgot my password.

Don't have an account?

Register here.

NFPA 496

Standard for Purged and Pressurized Enclosures for Electrical Equipment

inactive
Buy Now
Organization: NFPA
Publication Date: 5 August 1998
Status: inactive
Page Count: 28

Document History

NFPA 496
January 1, 2021
Standard for Purged and Pressurized Enclosures for Electrical Equipment
This standard applies to purging and pressurizing for the following: (1) Electrical equipment located in areas classified as hazardous by Article 500 or Article 505 of NFPA 70® (2) Electrical...
NFPA 496
January 1, 2017
Standard for Purged and Pressurized Enclosures for Electrical Equipment
This standard applies to purging and pressurizing for the following: (1) Electrical equipment located in areas classified as hazardous by Article 500 or Article 505 of NFPA 70 (2) Electrical...
NFPA 496
January 1, 2013
Standard for Purged and Pressurized Enclosures for Electrical Equipment
This standard applies to purging and pressurizing for the following: (1) Electrical equipment located in areas classified as hazardous by Article 500 or Article 505 of NFPA 70 (2) Electrical...
NFPA 496
January 1, 2008
Standard for Purged and Pressurized Enclosures for Electrical Equipment
This standard applies to purging and pressurizing for the following: Electrical equipment located in areas classified as hazardous by Article 500 or Article 505 of NFPA 70 Electrical equipment...
NFPA 496
July 18, 2003
Standard for Purged and Pressurized Enclosures for Electrical Equipment
This standard applies to purging and pressurizing for the following: (1) Electrical equipment located in areas classified as hazardous by Article 500 or Article 505 of NFPA 70 (2) Electrical...
NFPA 496
August 5, 1998
Standard for Purged and Pressurized Enclosures for Electrical Equipment
A description is not available for this item.
496
January 1, 1993
Standard for Purged and Pressurized Enclosures for Electrical Equipment
A description is not available for this item.
NFPA 496
January 1, 1989
STANDARD FOR PURGED AND PRESSURIZED ENCLOSURES FOR ELECTRICAL EQUIPMENT
A description is not available for this item.
NFPA 496
June 11, 1986
STANDARD FOR PURGED AND PRESSURIZED ENCLOSURES FOR ELECTRICAL EQUIPMENT
A description is not available for this item.
NFPA 496
January 1, 1982
PURGED AND PRESSURIZED ENCLOSURES FOR ELECTRICAL EQUIPMENT
A description is not available for this item.
View Less
View All

References

This document references:
NFPA 499 - Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas
Published by NFPA on January 1, 2021
This recommended practice provides information on the classification of combustible dusts and of hazardous (classified) locations for electrical installations in chemical process areas and other...
This document references:
UL 94 - UL Standard for Safety Tests for Flammability of Plastic Materials for Parts in Devices and Appliances
Published by UL on March 28, 2013
These requirements cover tests for flammability of polymeric materials used for parts in devices and appliances. They are intended to serve as a preliminary indication of their acceptability with...
This document references:
NFPA 70 - National Electrical Code
Published by NFPA on December 6, 2017
A description is not available for this item.
This document references:
NFPA 30 - Flammable and Combustible Liquids Code
Published by NFPA on August 11, 2020
A description is not available for this item.
This document references:
NFPA 69 - Standard on Explosion Prevention Systems
Published by NFPA on January 1, 2019
This standard applies to the design, installation, operation, maintenance, and testing of systems for the prevention of explosions by means of the following methods: (1) Control of oxidant...
This document references:
NFPA 497 - Recommended Practice for the Classification of Flammable Liquids, Gases, or Vapors and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas
Published by NFPA on January 1, 2021
This recommended practice applies to those locations where flammable gases or vapors, flammable liquids, or combustible liquids are processed or handled; and where their release into the atmosphere...
This document references:
ASTM E659 - Standard Test Method for Autoignition Temperature of Chemicals
Published by ASTM on September 1, 2015
This test method covers the determination of hot- and cool-flame autoignition temperatures of a liquid chemical in air at atmospheric pressure in a uniformly heated vessel. NOTE 1—Within certain...
View Less
View All
Advertisement