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. THIS CONSOLIDATED VERSION CONSISTS OF THE SECOND EDITION (2003) AND ITS AMENDMENT 1 (2008). THEREFORE, NO NEED TO ORDER AMENDMENT IN ADDITION TO THIS PUBLICATION.