“Impressed current system” means a type of cathodic protection system that uses a power source called a rectifier connected to buried metal anodes that are connected to the metal being protected by a wire.

Source. (See Revision Note at chapter heading for Env-Or 300) #10487, eff 2-7-14; ss by #14094, eff 10-4-24 (formerly Env-Or 302.23)