California Labor Code
As used in this article: (a) "Construction elevator" includes any means used to hoist persons or material of any kind on a building under course of construction, when operated by any power other than muscular power.
(b) "Building" includes structures of all kinds during the course of construction, regardless of the purposes for which they are intended and whether such construction be below or above the level of the ground.
Every construction elevator used in buildings shall have a system of signals for the purpose of signaling the person operating or controlling the machinery which operates or controls the construction elevator.
The person in charge of a building shall appoint one or more persons to give such signals. Such person shall be selected from those most familiar with the work for which the construction elevator is being used. The signaling devices provided shall be protected against unauthorized or accidental operation.
The board shall make, and may from time to time amend, general safety orders in the manner prescribed by law. Such orders shall specify and fix the nature and methods of signals and signaling devices and uniform signals to be used in this State under this article.
The division shall inspect all construction elevators. If any part of the construction or system of signals used on a construction elevator is defective or endangers the lives of the persons working in the immediate vicinity of the construction elevator, the division shall direct the person in charge thereof to remedy such defect. Such construction elevator shall not be used again until the order of the division is complied with.
Any person, or the agent or officer thereof, who violates any provision of this article is guilty of a misdemeanor, punishable by a fine of not less than one hundred dollars ($100) and not more than one thousand dollars ($1,000), or imprisonment in the county jail for not less than 30 days and not more than six months, or both.