Historical
IEC 60745-2-12 Ed. 2.0 b:2006
Hand-held motor-operated electric tools - Safety - Part 2-12: Particular requirements for concrete vibrators
Deals with the safety of hand-held motor-operated or magnetically driven tools, specific requirements for concrete vibrators. The rated voltage being not more than 250 V for single-phase a.c. or d.c., and 440 V for three-phase a.c. tools.
International Electrotechnical Commission [iec]