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Electrical Controls and Troubleshooting
Length: 40 Hours

Course Number: ELE-A140
Maximum Participants: 10 Students

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Course Description: This course is designed to provide the student with an introduction to electrical circuits and electrical controls including safety and troubleshooting techniques. This course is designed for beginning electricians, equipment operators, mechanics, technicians and others who are involved in using or maintaining electrical circuits and controls.
Prerequisites: None
Course Objectives:
At the completion of this course, students will be able to read electrical diagrams and prints, identify and describe the function of components in an electrical system, demonstrate safe work habits, demonstrate the ability to design a safe electrical circuit using various components and be able to troubleshoot problems in electrical circuits.
Outline:
  • Safety - safely working with electricity and electrical circuits, safety devices, safely using test equipment, designing safe electrical circuits
  • Understanding Electrical Diagrams and Control Circuits - ladder diagrams, wiring diagrams, electrical print reading, interpretation and design of control circuits
  • Units of Measurement and Identification - Ohm's law, power calculations, symbols, color codes, wire sizing guidelines, resistance, voltage drops
  • Electrical Switches, Timers and Controls - wiring conventions, switch types, control relays (standard & latching), timer control, ON and OFF timer delays, control and switch troubleshooting
  • Electrical and Control Component Identification - learning to identify and the use of coils, transformers, diodes, fuses, capacitors, filters, bridge rectifiers and other electrical and control components
  • Wiring - wire selection, wire connections, grounding, wire labeling
  • AC Motor Control - 1-phase and 3-phase motor types and identification, speed control, braking circuits, motor selection and applications, wiring, finding open and short circuits, basic and advanced troubleshooting techniques
  • DC Motor Control - DC motor types and identification, speed control, applications, finding open and short circuits, basic and advanced troubleshooting techniques
  • Field Devices - identifying, implementing and maintaining limit switches, photoelectric switches, proximity switches, flow switches, level switches and sensors, temperature sensors. Implementing, troubleshooting and maintaining solenoid valves and solenoid valve circuits
  • Troubleshooting Control Circuits - maintenance schedules, static and dynamic inspections, preventive maintenance, maintenance considerations in circuit design, troubleshooting at the power source and the control circuit, identifying faulty components and circuits, and proper use of troubleshooting tools
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