Safety of woodworking machines. Circular sawing machines. Part 1. Circular multipurpose saw benches (with and without sliding table), circular dimension saw and circular building site saws
Alternating resistors. Control method of rotation angle or motion of movable system, operation angle of resistor's switch or motion under operation of resistor's switch
Low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 7. Phase sequence