IEC 62841-1:2014, Clause 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 hand-held cut-off machines fitted with one bonded reinforced wheel of Type 41 or Type 42; or one or more diamond cutting wheels with peripheral gaps, if any, " having no positive rake angle for flush cutters, power cutters and wall chasers; and " not exceeding 10 mm and having no positive rake angle for cut-off machines other than flush cutters, power cutters and wall chasers; and with a rated speed not exceeding a peripheral speed of the wheel of 100 m/s at rated capacity; and a rated capacity not exceeding 430 mm. NOTE 101 An example of a permitted diamond cutting wheel construction is shown in Figure 101. These tools are intended to cut materials such as metals, concrete, masonry, glass and tile. This document does not apply to: cut-off machines that can be converted to a grinder, sander or polisher, which are covered by IEC 62841-2-3; circular saws which are covered by IEC 62841-2-5; and die grinders and small rotary tools which are covered by IEC 62841-2-23; tools intended to cut wood, except for utility cutters; cut-off machines fitted with a bonded reinforced wheel of Type 42 with a diameter exceeding 230 mm.