This document provides descriptions of various types of wires and cables used in electrical installations. It discusses the key differences between wires and cables, how wires are classified as either solid or stranded, and the different materials used for conductors including copper and aluminum. Over 30 specific types of wires and cables are then defined, describing their conductor composition, insulation materials, and typical applications. The document provides an overview of the wide variety of wires and cables used in different electrical systems and installations.