C.M.R. 16, 219, ch. 23
Current through 2024-51, December 18, 2024
SUMMARY: This rule has two major sections. The first section covers purged enclosures for electrical equipment in Class I hazardous locations. This section includes the general provisions, as well as more specific information and regulations regarding purged instruments, small purged control rooms, and purged power equipment enclosures. The second section covers pressurized enclosures for electrical equipment in Class II hazardous locations. It contains more specific information and regulation regarding pressurized, small enclosures, pressurized control rooms, and pressurized power equipment enclosures.
C.M.R. 16, 219, ch. 23
October 4, 1972 - filed September 27, 1978
EFFECTIVE DATE (ELECTRONIC CONVERSION):
May 15, 1996
NON-SUBSTANTIVE CORRECTIONS:
November 11, 1999
REPEALED AND REPLACED:
August 7, 2001 - formerly Ch. 32
AMENDED:
August 18, 2004 - filing 2004-346, updates NFPA #496 to 2003 edition
March 17, 2009 - filing 2009-113, updates NFPA #496 to 2008 edition
STATUTORY AUTHORITY: 25 M.R.S.A. §2452