#1 Home Improvement Retailer

The 4 Types of Wiring Diagrams

An electrician refers to a wiring diagram while working.

Last updated August 12, 2024

Wiring diagrams depict electrical circuits in multiple formats so electricians and engineers can visualize their projects at different levels of detail. Each of these formats provides a view of an electrical system specified for different purposes. Some are outlines for the arrangement of main components and others are specific directions for constructing a circuit.

This guide lists the four most common types of wiring diagrams, their purposes and how to read them

SHOP BUILDING WIRE NOW

Buying Guide
Pro Guides
Property Maintenance
Wiring

Table of Contents

  1. What Are the Types of Wiring Diagrams?

  2. How to Read Block Diagrams

  3. How to Read Circuit Diagrams

  4. How to Read Schematic Diagrams

  5. How to Read Ladder Diagrams

  6. More Tools. More Products. More Perks.