This standard applies to hand-held motor-driven tools or magnetically driven electric tools, including tools with electric heating elements. It covers the safety requirements and test methods of tools, as well as requirements for electric shock prevention, start-up, input power, temperature rise, leakage current, moisture resistance, electrical strength, durability, mechanical hazards, and structure. It applies to single-phase AC or DC tools with a rated voltage not exceeding 250V, and three-phase AC tools with a rated voltage not exceeding 440V.