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(a) Before an electric crane is operated after the start of each shift, or as soon therein as practicable, the crane operator or a qualified person shall test the operation of all limit switches over a cleared area, under no load, and shall report any defect to the employer who shall have the defect corrected before the crane is permitted to operate.
(b) The limit switch shall never be used as an operating control unless designed for such use, in which case there shall be a second limit switch located behind the operating control limit switch.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment of subsection (a) filed 2-13-75; effective thirtieth day thereafter (Register 75, No. 7).
2. Amendment of subsection (a) filed 8-29-86; effective thirtieth day thereafter (Register 86, No. 39).