结构、电机、开关、电缆终端、钻夹头；温升、电机转矩、电流限制；高压试验；机械、电气耐久性试验；标记。交叉引用:BS 229BS 309BS 310BS 970BS 1400BS 2593BS 2613BS 2757BS 3101替代BS 1090:1943。

Construction, motor, switch, cable termination, drill chuck; limits of temperature rise, motor torque, current; high voltage test; mechanical, electrical endurance tests; marking.Cross References:BS 229BS 309BS 310BS 970BS 1400BS 2593BS 2613BS 2757BS 3101Replaces BS 1090:1943.