Electrical Ladder Drawings, Schematics & Diagrams

A 2-Day Course to Help You Understand All the Electrical Languages that Run Your Facility and Equipment)

Purpose of Seminar
In the field of equipment maintenance, installation or modification, the ability to read and understand schematics and drawings is an absolute must. Several types of drawings and diagrams will be examined during this course including Block, Pictorial, One-line, Wiring, Terminal, and Schematic. The differences between these drawings will be emphasized and the purpose and flow of each type will be clarified. In order to learn the symbolic language, you must start at the beginning. In doing so, individual component symbols will be presented along with an explanation of their function and purpose in the circuit. In order to make it easier to relate the diagrams to the actual equipment, students will see pictorial examples or photos of the components along with the description. Training will include exercises where students create schematic diagrams based on circuit descriptions, as well as interpreting schematic drawings so that they can provide verbal or written circuit descriptions.

Who Should Take This Course?
This course is designed for anyone who needs to understand electrical drawings and schematics for servicing and troubleshooting facility and industrial electrical systems. Attendees come from a wide variety of industries, skill-levels, company sizes, and backgrounds, so if you're not sure you'll fit in or will benefit from these classes, don't worry - you will - as long as you work with electricity! People who will benefit from attending this seminar include…

All maintenance personnel in:

• Manufacturing Plants
• Commercial Buildings
• Hospitals
• Waste Water Facilities
• Schools
• Government Buildings
• Research Facilities
• Shopping Centers
• Airports
• Hotels
• Apartment Buildings

Including:

• Mechanics
• HVAC Technicians
• Machine Operators
• Apprentices
• Alarm Technicians
• Electricians
• Facility Managers
• Non-Electrical Engineers
• Plant & Building Engineers
• Stationary Engineers
• Plant & Facility Managers
• Multi-craft/Cross Training Personnel

Training Outcomes
Upon completion of this course, students will receive a training certificate and 1.6 Continuing Education Units for both days attended, indicating that the student has learned to:

- Read and Interpret Drawings and Schematics
- Identify electrical components
- Relate drawings to real world applications
- Use drawings and schematics for Troubleshooting
- Use drawings and schematics to Communicate with others
- Create your own drawings
 

- Block Diagrams
- Pictorials
- Electrical Formulas
- One-line Diagrams
- Wiring Diagrams
- Terminal Diagrams
- Schematics
- Electrical Symbols
- Power Distribution
- Electrical Floor Plans
- PLC Ladder Logic
...and more

Course Outline/Agenda
I. Electrical Fundamentals for Print Reading

• Clarifying Terminology
• Effects of Current Flow
• Voltage Drop Calculations
• Understanding Ampacity Tables
• Importance of Electrical Drawings
• NEC® Drawing Requirements
• Drawing Control

II. Electrical Drawing Basics

• Types and Uses of Electrical Drawings
• Drawing Preparation and Ownership
• Design/Bid/Build Process
• Written Specifications

III. Electrical Drawings for Building Maintenance & Construction

• Component Symbols
  • Wiring & Connections
  • Power Source
  • Breakers
  • Disconnects
  • Fuses
  • Fuse Block
  • Contactors
  • Overloads
  • Loads
  • Grounds
  • Others
• Electrical Drawings
  • Site or Plot Plan
  • Elevation
  • Section
  • Detail
  • Power Riser
  • One-Line Diagram
  • Electrical Floor Plan
  • Lighting Plan
  • Schedules
  • Feeder Schedules
  • Lighting Schedules
  • Panelboard Schedules
  • Motor & Equipment Schedules
  • Wiring Diagrams
• Reading & Interpreting Code Requirements
• Real World Applications

IV. Industrial Control Prints

• Component Symbols
  • Transformers
  • Fuses
  • Jumpers
  • Switches
  • Relays
  • Timers
  • Transducers
  • Sensors
  • Circuit Loads
  • Grounds
  • Circuit Commons
  • Others
• Understanding Relay Operation
• Electrical Schematic Diagrams
• Motor Termination Diagrams
• Electrical Ladder Diagrams for Control Circuits
• Block Diagrams
• IEC Symbols
• NEMA and IEC Circuit Comparison
• Reading & Interpreting Basic Motor Control Circuits
• Forward-Reverse Motor control

V. Real-World Applications

• Conveyors
• Air Compressors
• HVAC Controls
• Burner Combustion
• Extruder DC Drive Motor (VSD)
• Process Temperature Controls
• Exterior Lighting Controls
• Generator Controls
• Chemical Process Controls
• Others

VI. PLC Ladder Diagrams

• PLC Basics - Inputs & Outputs
• Comparison of Relay Logic to PLC Ladder Logic
• Real-World Applications

VII. Cross-Referencing International & European Symbols

Open Training Seminar Schedule

Contact William J. Dumas & Associates