CSA C22.2 NO. 62841-3-7:21

Preface This is the harmonized CSA Group and UL Standard for Electric Motor-Operated Hand-Held Tools, Transportable Tools and Lawn and Garden Machinery – Safety – Part 3-7: Particular Requirements for Transportable Wall Saws. It is the First edition of CSA C22.2 No. 62841-3-7 and the First edition of UL 62841-3-7. This harmonized standard is based on IEC Publication 62841-3-7: First edition, Electric Motor-Operated Hand-Held Tools, Transportable Tools and Lawn and Garden Machinery – Safety – Part 3-7: Particular Requirements for Transportable Wall Saws, issued June 2020. IEC 62841-3-7 is copyrighted by the IEC. This standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group. Scope This clause of Part 1 is applicable, except as follows: Replacement of the third paragraph: The rated voltage is not more than 250 V for single-phase a.c. or d.c. tools, and 480 V for three-phase a. c. tools. Addition: This document applies to transportable wall saws guided by a track guiding system intended for dry cutting or to be connected to a liquid system for cutting concrete, stone or similar material by means of a diamond wheel. The rated speed of the diamond wheel does not exceed a peripheral speed of 100 m/s at rated capacity. This document does not apply to transportable wall saws that are intended to be left unattended while performing an operation. This document does not apply to transportable wall saws that employ hydraulic systems. This document does not apply to hand-held cut-off machines. NOTE 101 Hand-held cut-off machines will be covered by a future part of IEC 62841-2.