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  • NFPA
    NFPA 496: Standard for Purged and Pressurized Enclosures for Electrical Equipment
    This title can only be subscribed to with another NFPA title (See details)
    Edition: 2017
    $187.74
    / user per year

Content Description

Per NFPA's requirements, when purchasing NFPA 2021 Standards and/or 2020 NFPA 70 (NEC), you must subscribe to at least one more NFPA Standard to complete your purchase. In order to fulfill this requirement, we automatically add 2019 NFPA 900 to your cart. This title may be removed during checkout if you choose to add a different NFPA standard to your cart, and pricing will be recalculated accordingly.
Install electrical equipment in Class I and Class II hazardous (classified) locations to prevent ignition of a flammable atmosphere. The 2017 edition of NFPA 496 helps you protect people, equipment, and facilities from potentially deadly hazards. Work with the specialized knowledge you need to head off electrical equipment fires and explosions. Consistent with the 2017 edition of NFPA 70®: National Electrical Code® (NEC®), the 2017 edition of NFPA 496: Standard for Purged and Pressurized Enclosures for Electrical Equipment contains requirements for the design and operation of purged and pressurized electrical equipment enclosures. This protection technique is used in Class I and Class II hazardous (classified) locations to reduce or prevent the presence of flammable materials within electrical equipment enclosures as specified by the NEC. Electrical designers, installers, and AHJs reference NFPA 496 for vital requirements concerning: General Requirements for Pressurized Enclosures Pressurized Enclosures for Class I Pressurized Enclosures for Class II Pressurized Control Rooms Pressurized Enclosures Having Internal Source of Flammable Gas or Vapor Pressurized Analyzer Rooms Containing a Source of Flammable Gas, Vapor, or Liquid To make the Standard more enforceable by states and jurisdictions, changes to the 2017 edition remove unenforceable language such as near, close to, and significant portion, because these terms cannot be quantified in the design or evaluation of an installation designed to NFPA 496 specifications.

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About NFPA

The mission of the international nonprofit NFPA, established in 1896, is to reduce the worldwide burden of fire and other hazards on the quality of life by providing and advocating consensus codes and standards, research, training, and education.

 

The world's leading advocate of fire prevention and an authoritative source on public safety, NFPA develops, publishes, and disseminates more than 300 consensus codes and standards intended to minimize the possibility and effects of fire and other risks.

 

NFPA membership totals more than 70,000 individuals around the world

 
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