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 3-12: Particular Requirements for Transportable Threading Machines. It is the First edition of CSA C22.2 No. 62841-3-12 and the First edition of UL 62841-3-12. This harmonized standard is based on IEC Publication 62841-3-12: First edition, Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery Safety Part 3-12: Particular Requirements for Transportable Threading Machines, issued August 2017.