Pub. Util. Code, § 2111

Every corporation or person, other than a public utility and its officers, agents, or employees, which or who knowingly violates or fails to comply with, or procures, aids or abets any violation of any provision of the California Constitution relating to public utilities or of this part, or 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 the violation or noncompliance, in a case in which a penalty has not otherwise been provided for the corporation or person, is subject to a penalty of not less than five hundred dollars ($500), nor more than fifty thousand dollars ($50,000) for each offense.