Chapter 12 - Electrical Transmission and Distribution Systems

Abstract

There are many codes, standards, and recommended practices that are applicable to the design and construction of electrical transmission and distribution systems. The first area of consideration would be the overhead and underground lines associated with those systems. This chapter illustrates some of the codes, standards, and recommended practices associated with electrical transmission and distribution lines. Each electrical utility company, electric cooperative, and municipal utility entity has their own engineering and design standards for transmission and distribution systems. The US Department of Agriculture, Rural Utilities Service is the United States Federal agency charged with administering loan programs for electrification and telephone service in rural areas. It has established a number of codes, standards, and recommended practices for the transmission and distribution of electrical energy. Many of the Canadian codes, standards, and recommended practices used for electrical utility transmission and distribution systems are also presented. The CSA Standards utilize technical committees for development. A consensus process is followed, utilizing the principles of inclusive participation. The committees are composed of a membership with diverse interest and the principles of transparency are maintained. Substantial agreement is required among committee members. Any standards approval must be based on membership approval of more than a simple majority.