UL 62841-4-4 PDF

1 Scope

This clause of Part 1 is applicable, except as follows:

Addition:

This document applies to hand-held and

walk-behind lawn trimmers

and

lawn edge trimmers

, used by a standing operator for cutting grass, weeds or similar soft vegetation, and

grass trimmers

,

brush cutters

and

brush saws

used by a standing operator for cutting grass, weeds, brush, bushes, saplings and similar vegetation.

This document does not apply to

– hand-held machines having a mass of 18 kg or greater;

– self-propelled

lawn trimmers

or

lawn edge trimmers

;

– scissors type

lawn trimmers

and

lawn edge trimmers

;

– machines equipped with metallic

cutting accessories

consisting of more than one piece, e.g. pivoting chains or flail blades;

– edgers with rigid and/or metallic cutting devices.

NOTE 101 Freely pivoting non-metallic

cutting elements

are considered not to be rigid cutting devices.

NOTE 102 Edgers with rigid or metal cutting devices will be covered by a future part of IEC 62841-4.

NOTE 103 Annex EE provides an informative summary of characteristics for

lawn trimmers

,

lawn edge trimmers

,

grass trimmers

,

brush cutters

and

brush saws

.

Brush cutters

and

brush saws

covered by this document are designed only to be operated with the machine to the right of the operator.

SUMMARY OF TOPICS

This revision of ANSI/UL 62841-4-4 dated August 2, 2024 includes the following changes in requirements:

– National Difference to remove guarding requirements for grass trimmers, brush cutters and brush saws; 19.101.4.19.101.4DV

– National Difference to clarify impact test requirements for grass trimmers, brush cutters and brush saws; 20.20.3.1DV

UL 62841-4-4 is an adoption of IEC 62841-4-4, First Edition, issued by the IEC November 2020. Please note that the National Difference document incorporates all of the U.S. national differences for UL 62841-4-4.