Title: Unit 1 Outline
Course: HET 119 HVACR Electricity II > Section: HET 119 HVACR Electricity II

Unit 1 Outline

page 1
Unit 1 Outline

1.     Issues From Electrical Circuits
- Current Flow through the Body
- Potential Hazards of Current through the Heart
- Electrical Burns from Sparks

2.     Handling Occurrences from Electrical Problems
- How to handle someone in an unsafe condition

3.     Learning the Importance of the NEC
- How the NEC should be Used

4.     Grounding and Circuit Protection
- Why is Grounding important?
- How should systems be Grounded?
- What is Fuses and Breakers Purposes?
- How does GFCI Protectors Operate?

5.     Lock-out Tag-out Procedures
- What is the purpose of LOTO
- What are the different types of LOTO
- What is the Purpose of LOTO

6.     Safety Summary
- All HVAC technicians need to have a copy of the NEC and have a working knowledge of its information.
- It takes a combination of voltages and current flow through the body to be fatal.
- When working with electricity, disconnect the power from the circuit for your safety.
- If checking a circuit for power, keep only one hand inside of the electrical panel to keep the likelihood of becoming part of the circuit.
- Stay away from wet or damp areas when working with electricity.
- Also check fuses, breakers, and ground fault circuit interrupter for proper operations.
- All power tools must be connected to a GFCI for your own protection.
- Any damage power tools need to be repaired or replaced.
- Use only grounded tools or double insulated tools for your safety.
- Wear the proper Personal Protection Equipment (PPE) at all times when working.

Review the vocabulary terms listed below and look up their definitions / descriptions before taking the Vocabulary Quiz.

Vocabulary

- National Safety Codes
- Circuit Breaker
- Conductor
- Electrical Shock
- Electromotive Force
- Fuse
- Ground
- GFCI
- Live Circuit
- Open Circuit