AS 4057-1992

Specifies mechanical safety requirements and performance requirements for powered walk-behind and hand-held lawn trimmers and lawn edge trimmers with cutting elements of non-metallic filament line or freely pivoting non-metallic cutters with a kinetic energy of not more than 10 J each, used by a standing operator primarily for cutting grass. It does not apply to scissor-type or rigid-bladed lawn trimmers or lawn edge trimmers and it does not cover the electrical requirements for electrically powered lawn trimmers and lawn edge trimmers having a voltage greater than 42 V d.c. or mains connected. This Standard is identical with and reproduced from ISO 10518:1991.