Basic Electrical Troubleshooting
This hands-on course is intended for electricians and technicians responsible for troubleshooting electrical system problems and supervisors responsible for overseeing troubleshooting electrical system problems. The class participant should have basic knowledge of AC/DC electricity.
Learning Objectives
Introduction (0.5 hours)
Schedule
Course Outline
Electrical Theory Review (1.5 hours)
Electrical Circuits
Amps, Volts, & Ohms
Ohm's Law
Kirchhoff's Law
Solving for Unknown Values in Series, Parallel, and Combination Circuit
Electrical Safety (2 hours)
Electrical Hazards
Electrical Risk Assessment
Electrical Safe-work practices
Electrical Work Procedures
LOTO
Work Protection Boundaries
PPE Selection
IV. Electrical Test Instrument Operation (3 hours)
A. Voltmeters
B. Ammeters
C. Ohmmeters
Megohmmeter
Digital Multi-meter Safety
E. Miscellaneous Meters
Frequency meters
Infrared & Acoustic
Power Quality Analyzers
Thermometers
Lumen meters (footcandles)
Phase sequence meters
Power Factor meters
Electrical Components and Circuits (7 hours)
A. Passive & Active Circuit Components
Insulation & Conductors
Switches
Generators & Transformers
Lights, Heaters, Motors, & Solenoids (Load)
Labs:
Indicators (lights)
Switches
NO & NC / MAIN-MOM
Limit Switches
Control Relays
Timers
Proximity Sensors
Electrical Components and Circuits (continued 7 hours)
Contactors & Motor Starters
Electrical Circuits Illustrated in Ladder Diagrams
Industrial Electrical Symbols
Logic (IOs)
Ladder Information, Ladder diagrams
Electrical Troubleshooting Steps (6 hours)
Shorts and Opens
Troubleshooting Test Procedures
Troubleshooting by Dividing Control Elements in Half (Divide and Conquer)
Labs
Measuring Amps, Volts & Ohms in a Circuit
Measuring Current
Rules for Troubleshooting
Conclusion (1 hour)
Review
Final Exam