Learn common wiring diagram symbols and what they mean. This guide explains electrical symbols used for switches, outlets, wires and other components.. Master the essential electrical wiring diagram symbols with our complete guide. We cover both IEC & ANSI standards to help you read any schematic with confidence. Free PDF chart included!
A beginner's guide to reading and understanding schematic diagrams, complete with descriptions and images of each schematic symbol.. Scope This publication describes graphic symbols used to represent electrical wiring and equipment on construction drawings. In this publication, the term "electrical" is used to include electrical, electronic, and communications systems covered by the National Electrical Code (NFPA 70).