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Title: Electrical Isolation Method Simplifies Cathodic Protection Assure That Your System Remains In Compliance
Author: Henry N. Tachick
Source: American Gas Association 1998
Year Published: 1998
Abstract: Cathodic protection of many structures can be greatly simplified by the proper use of DC isolating/AC coupling devices. One primary example is DC isolation of cathodically protected structures from electrical grounding systems while retaining AC continuity with those systems as required by electrical codes. This article illustrates how cathodically protected structures which contain electrical equipment can be DC isolated from: (a) the power utility grounding system, or (b) both the power utilitys and users grounding systems.




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