Course: HET 119 HVACR Electricity II

Lab Assignment

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Week 1 Lab Assignment: Electrical Safety

Recommended Materials
1. Lock-out/Tag/-out (LOTO) Supplies
2. HVAC/R Equipment to install LOTO supplies
3. Step-Ladders
4. Electrical Panel
5. Electrical Control Panel
6. VOM meters

Scope

This lab will help the student to learn how to install LOTO supplies, use testing equipment to verify voltage, and how to set up ladders in a safe way.

Procedures

1. Have instructor give you the supplies needed for this lab.
2. Your instructor will assign you equipment to work on.
3. Locate a breaker panel and install a LOTO safety lock and tag.
4. Locate a service disconnect and install a LOTO safety lock and tag.
5. Check voltage at both these systems to verify a lack of power.
6. Find a step-ladder and read the information off of the information tag.
7. Set up the ladder on a level surface.
8. Stand on the ladder to its highest allowable step.
9. Remove all LOTO supplies and give back to the instructor.
10. Put the ladder back in its place.

Research Questions

1. How easy was it to install the LOTO on the equipment and service-disconnect?
2. What type of meter did you use to verify voltage and what was your reading?
3. What information did you get from the step ladder?
4. Did you feel safe on the highest allowable step?
5. What was the highest allowable step stated from the manufacture?

Click on the file below to download the Lab Assignment
- HET 119 Wk 1 Lab.docx (14.84 KB)