Historical
ANSI B175.4-2006
American National Standard for Outdoor Power Equipment - Portable, Handheld, Internal-Combustion-Engine-Driven Cut-Off Machines - Safety Requirements
This standard applies to portable, hand-held gasoline powered-machines, which use a rotating cut-off wheel that is center-mounted on and driven by a spindle shaft, that are designed for cutting construction materials such as asphalt, concrete, stone, and metal. Cut-off wheel design and safety specifications are not included in this standard.
Content Provider
Outdoor Power Equipment Institute [opei]