NFPA 496:2024
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Standard for Purged and Pressurized Enclosures for Electrical Equipment
13-05-2023
23-05-2026
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 equipment containing sources of flammable vapors or gases and located in either classified or unclassified areas (3) Control rooms or buildings located in areas classified as hazardous by Article 500 or Article 505 of NFPA 70 (4) Analyzer rooms containing sources of flammable vapors or gases and located in areas classified as hazardous by Article 500 or Article 505 of NFPA 70 1.1.2* This standard does not apply to electrical equipment located in: (1) Areas classified as Class I, Zone 0 (2) Areas classified as Class III (3) Areas where flammable liquids may be splashed or spilled on the electrical equipment.
| DocumentType |
Standard
|
| PublisherName |
National Fire Protection Association
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| NFPA 33:2024 | Standard for Spray Application Using Flammable or Combustible Materials |
| PIP ELCGL01:2023 | Electrical Design Criteria |
| NFPA 45:2024 | Standard on Fire Protection for Laboratories Using Chemicals |
| NFPA 70 : 2020 | National Electrical Code (NEC) Softbound |