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Reading & Understanding Electrical Ladder

A 1-day course for learning how to read electrical drawings “like a book”
Use what you learn to help troubleshoot electrical problems

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Purpose of Seminar:

The purpose of this information packed seminar is to provide the attendee with the ability to read and understand their ladder drawings and schematics. Being able to use electrical prints as a tool in troubleshooting is one of the hardest things for technicians learn. This seminar will take the mystery out of electrical drawings and help the attendee read them like a book. This is done by teaching the attendee what all the symbols represent as well as how the ladder drawing should be approached and read when troubleshooting or installing new equipment. Attend this seminar and leave with the confidence and knowledge of how to read and use electrical ladder drawings.

Who should take this course?

This seminar is designed for anyone responsible for the safe installation, maintenance, repair or inspection of electrical equipment, building electrical systems and general electrical wiring. This includes…

  • All Building Maintenance Personnel
  • All Plant & Facility Maintenance Technicians
  • Electricians
  • Mechanics
  • HVAC Technicians
  • Apprentices
  • Alarm & Low Voltage Technicians
  • Stationary Engineers
  • Building Engineers
  • Maintenance Supervisors
  • Multi-craft/Cross Training Personnel
  • Electronic & Instrumentation Technicians
  • Any person needing a basic course in Electrical Troubleshooting & Preventive Maintenance

Learning Objectives

Upon completion of this course, students will receive a training certificate and .8 Continuing Education Units indicating that the student understands:

  • Read and Interpret Electrical Ladder Drawings
  • Identify electrical components
  • Electrical Drawing Abbreviations, Symbols, and Terminology
  • Identify Different Types of Electrical Drawings
  • Relate Drawings to Real World Applications
  • Ability to Read Multipage Electrical Drawings
  • Ability to Create your own Drawings

Course Outline / Agenda


  • Clarifying Terminology
  • Importance of Electrical Drawings
  • Drawing Requirements
  • Types and Uses of Electrical Drawings
  • Voltage, Current & Resistance


  • Component Symbols
  • Wiring & Connections
  • Power Source
  • Fuses, Breakers & Disconnects
  • Relays & Contactors
  • Motors & Motor Starters
  • Overloads
  • Timers
  • Limit Switches
  • Solid State Sensors
  • Reading & Interpreting Cross-reference Systems
  • Real World Applications


  • One-line Diagrams
  • 2 Wire Control Circuits
  • 3 Wire Control Circuits
  • Sealing Circuits
  • Forward-Reverse Circuits
  • Timing Circuits
  • NEMA and IEC Circuit Comparison


  • Conveyors
  • Air Compressors
  • Dual Pumping Station
  • HVAC Controls
  • Burner Combustion
  • Extruder DC Drive Motor (VSD)
  • Exterior Lighting Controls
  • Generator Controls
  • Others

Continuing Education Units (CEUs)

All students attending our seminars receive a personalized Certificate of Completion and .8 CEUs (Continuing Education Units) per day of training. Over 40,000 employers and government agencies who have sent their employees to our classes accept American Trainco CEUs for continuing education requirements. Our administration and record keeping practices meet or exceed the standards of ACE (American Council on Education) and we are able to provide transcripts of all classes attended and tests taken by individual students. Please contact us if our CEUs are not yet accepted by your authority. We will initiate an application to get the approval process started.

In House Training

You can bring this or any American Trainco seminar directly to your plant or facility. We offer dozens of courses covering a broad range of maintenance and maintenance management topics. Our expert instructors are among the most experienced in the industry and can modify or customize training programs to meet your specific needs - whether you need a short refresher course or an in depth program that focuses on your equipment and processes. In house training reduces the training cost per employee and limits the time required away from work. There are several other advantages of in house training as well.

Request a quote for in-house training

No Risk Registration & Money-Back Guarantee

U.S. and Canada

If you're not yet sure you'll be able to attend a seminar, you can still make a reservation to hold your space in class. While payment is due prior to the start of the seminar, you may choose a full refund or credit for cancellations made at least 24 hours in advance. Student substitutions can also be freely made at any time prior to the start of the seminar. Refunds will not be issued for registered attendees who fail to show up and have not given a notice of cancellation.

In the rare event that should you not receive the expected value after attending our seminar, simply notify us in writing of your reasons and your money will be promptly refunded.

International and Overseas

If you're not yet sure you'll be able to attend a seminar, you can still make a reservation to hold your space in class. However, payment for international and overseas students must be made prior to the start of the seminar (in Dollars U.S.), and all seminar fees are non-refundable. Student substitutions can be freely made at any time prior to the start of the seminar. American Trainco’s Money-Back Guarantee does not apply for international and overseas registrations.

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