Electrical Diagrams (A8005)

Learn how?to identify components, equipment, wire and cables on these diagrams, how to relate the diagrams to the installed hardware and how to use diagrams for maintenance and troubleshooting problems.

Prerequisites

This lesson is designed for participants familiar with schematic diagrams and basic electrical terminology.

Description

This lesson presents information about three types of electrical diagrams: building diagrams, single-line diagrams, and wiring diagrams. This lesson explains how to identify components, equipment, wire and cables on these diagrams how to relate the diagrams to the installed hardware and how to use diagrams for maintenance and troubleshooting problems.

Objectives

Explain the purpose of drawings and types of drawings. Describe the layouts of the diagrams and know how to make drawing revisions, and describe the floor plan and elevation view diagrams. Identify components, cables and conduits, and the cable chart in a building electrical diagram. Identify voltage conventions, symbology, loads and isolation breakers in a single-line diagram. Identify components, terminal conventions, wiring conventions, and bundles in a wiring diagram. Relate a wiring diagram to actual hardware and actual wires, and troubleshoot a circuit using this type of diagram.