This term refers to all of the elements needed to distribute electrical power. It includes overhead and underground lines, poles, transformers, and other equipment.

The generation, transmission, distribution and other facilities operated as an electric utility or a portion thereof.

Physically connected generation, transmission, and distribution facilities operated as an integrated unit under one central management, or operating supervision.

Any of the systems and sub systems that make up the automobile wiring harnesses, such as the lighting system or starting and charging system.