Technical Practices Committee 3—Anodes for Use With Impressed Currents

As the use of cathodic protection became of increasing importance as a major weapon in the fight against corrosion on the nation’s pipelines, it soon became apparent to operating engineers that there was a need for additional information concerning anodes used in the construction of ground connections for impressed current from an external source. This was particularly emphasized by experience with early ground connections, normally made of scrap steel or cast iron, which in many cases were unpredictable in performance, were subject to rapid consumption and required excessive maintenance. Recognizing this need for knowledge concerning new anode materials or better means of using the materials then available, Technical Practices Committee 3, known as TP-3, was formed in 1947 for the specific purpose of studying anodes for impressed current and making the committee findings available to users of cathodic protection. Since its inception, this committee has been under the able guidance...