Lesson 1

Lesson one includes the following topics:

• Safety
• Refresher
  • Current, voltage, resistance
  • Ohm’s law
  • Scientific Notation
  • How to use a Digital Multimeter (DMM)
  • Series and parallel circuits
  • Testing coils (solenoids, relays and transformers)
  • Operation of relays
  • Ladder diagrams and wiring
• Usage of a Digital Multimeter (DMM)
• Worksheet1-Parallel and Series Circuits
• Worksheet2-LadderDiagram
• Homework 1