HAC 2010 - Electrical Fundamentals

1. Safety
   1. Demonstrate an understanding of HVAC related safety issues
   2. Demonstrate an understanding of safety practices needed to work around electrical circuits including lockout, tag out.
2. Electrical Theory
   1. Define electrical terms
   2. Discuss AC and DC circuits
   3. Solve Ohm’s law problems
   4. Discuss electromagnetism as used in the HVACR field.
3. Test equipment
   1. Discuss the types of meters used in electrical testing
   2. Measure voltage, current, and resistance.
   3. Practice testing other electrical measurements.
4. Wiring Diagrams
   1. Show a working knowledge of reading wiring diagrams.
   2. Identify electrical components and their symbol found on HVAC wiring diagrams
   3. Identify different types of circuits used in the HVAC field.
5. Electrical distribution
   1. Discuss electrical power generation
   2. Discuss electrical power distribution
   3. Discuss methods of raising or lowering voltage.
   4. Explain how a step up transformer works.
   5. Explain how a step down transformer works
   6. Explain how capacitors are used on HVAC equipment.
   7. Discuss the reasons low voltage is used for HVAC controls.
   8. Discuss the reasons low voltage is used for HVAC controls.