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This Article covers equipment and wiring for sound recording and reproduction, centralized distribution of sound, public address, speech-input systems, and electronic organs.
(Title 24, Part 3, Section 640-1.)
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section142.3, Labor Code; and Section 18943(c), Health and Safety 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).