Electrical Systems: Reading Drawings and Schematics

Learn how to read electrical drawings, including blueprints, schedules, diagrams, and schematics.

Introduction

• Can you read electrical system drawings and schematics?
• What you should know

1. Blueprints

• Symbols
• Plot and plan views
• One-line diagrams
• Electrical details
• Electrical schedules
• Riser diagrams and elevations

2. Diagrams

• Wiring diagrams
• Schematics symbols
• Machine and motor wiring diagrams
• Components of a ladder diagram
• How ladder logic works
• A more complex diagram
• Programmable logic controllers (PLCs)

Conclusion

• Next steps