PDF Standards CSA C22.2 NO. 61010-2-033:20
Safety requirements for electrical equipment for measurement, control and laboratory use – Part 2-033: Particular requirements for hand-held multimeters for domestic and professional use, capable of measuring mains voltage (Adopted IEC 61010-2-33:2019, 2nd edition, 2019-06, with Canadian deviations)
standard by CSA Group, 08/01/2020