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Double-throw knife switches shall be permitted to be mounted so that the throw will be either vertical or horizontal. However, where the throw is vertical, a locking device shall be provided that will insure the blades remaining in the open position when so set.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Editorial correction filed 11-2-83 (Register 83, No. 45).
2. Amendment deleting subsection (a) designation only filed 8-27-86; effective thirtieth day thereafter (Register 86, No. 37).
3. Amendment of section heading, section and Note filed 5-5-2008; operative 5- 5-2008. Submitted to OAL for printing only pursuant to Labor Code142.3(a)(3) (Register 2008, No. 19).