A. All electrical materials, devices and appliances designed or intended for attachment, directly or indirectly to any electrical system, circuit or electrical service for light, heat or power shall be only those which conform with the requirements of this chapter and of rules and regulations adopted pursuant to this chapter.

B. Each such article shall bear or contain the maker’s name trademark or identification symbol, together with such rating by the manufacturer as may be necessary to determine the intended use.

C. The correct operating volts and amperes or volts and watts shall be stated and no person, firm or corporation shall remove, alter, deface or obliterate any such marking. (Prior code § 7.22.020)