ANSI/UL 674-2003
Electric Motors and Generators for Use in Hazardous Locations, Class I Groups C and D, Class II Groups E, F and G

Standard No.

ANSI/UL 674-2003

Release Date

2003

Published By

American National Standards Institute （ANSI)

Status

Withdraw

Replace By

ANSI/UL 674-2011

Latest

ANSI/UL 674-2011

Scope

Covers the following equipment for installation & use in hazardous (classified) locations:Electric motors & generators, submersible & nonsubmersible sewage pumps & systems, Class 1, Div. 1, Groups B, C, D & Class II, Div. 1 Groups E, F, & G.Explosion-proof equipment for use in Class 1, Zone 1, Groups IIA, IIB, & IIB plus hydrogen, horizontal & vertical machines with fractional & integral horsepower ratings for use on alternating current or direct current.

ANSI/UL 674-2003 history

• 2011 ANSI/UL 674-2011 Standard for Safety for Electric Motors and Generators for Use in Hazardous (proposal dated 01-21-11)
• 2003 ANSI/UL 674-2003 Electric Motors and Generators for Use in Hazardous Locations, Class I Groups C and D, Class II Groups E, F and G