Cal. Pub. Util. Code § 2110

Every public utility and every officer, agent, or employee of any public utility, who violates or fails to comply with, or who procures, aids, or abets any violation by any public utility of any provision of the Constitution of this state or of this part, or who fails to comply with any part of any order, decision, rule, direction, demand, or requirement of the commission, or who procures, aids, or abets any public utility in such violation or noncompliance in a case in which a penalty has not otherwise been provided, is guilty of a misdemeanor and is punishable by a fine not exceeding one thousand dollars ($1,000), or by imprisonment in a county jail not exceeding one year, or by both such fine and imprisonment.