ELT 173 - NEC Commercial/Industrial Lab

1. Examine basic safety rules for wiring electrical systems
   1. Cite examples of hazardous situations
   2. Explain basic safety rules
   3. Identify safety rules pertaining to protective clothing and equipment safety
   4. Follow procedures designed to aid an injured worker
2. Evaluate the use of construction tools for installations used by electricians
   1. List basic safety rules for tools
   2. Identify the types of bending tools
   3. Identify the types of pulling equipment
   4. Explain the operating functions of various electrical testing devices
3. Demonstrate skills needed to install electrical circuits using electrical prints, specifications, and codes
   1. Describe several types of electrical drawings
   2. Explain the purpose of building codes
4. Interpret basic wiring methods
   1. Size wireways to satisfy code requirements
   2. Identify fittings, connectors, and supports
   3. Install the correct wiring methods based on the code requirements
   4. Install wireways by correct size according to code requirements.
5. Select conductors
   1. Identify code rules regarding conductors
   2. Recognize different types of conductors
   3. Install conductors based on circuit loads
   4. Calculate conduit and box fill.
6. Examine box and conduit bodies
   1. Explain standard box and enclosure sizes
   2. Identify and install various types of conduit bodies
   3. Explain box fill requirements using the code
   4. Identify box size requirements for straight and angular pulls
7. Interpret electrical service and distribution requirements
   1. Explain the terminologies between electrical service and electrical distribution
   2. Recognize service drop clearance requirements using the code
   3. Identify various supply voltages
   4. Calculate and install receptacle circuit loads required by the code requirements
8. Evaluate transformers
   1. Identify basic components and construction of transformers
   2. Identify various types of transformers
   3. Recognize various voltage transformers
   4. Calculate the installation requirements of overcurrent devices for transformer primary and secondary
   5. Troubleshoot practical transformer problems
9. Evaluate branch circuits and feeders
   1. Describe various types of branch circuits
   2. Define the functions of feeder circuit conductors
   3. Define the functions of branch circuit conductors
   4. Install lighting circuits loads required by the code requirements
   5. Calculate branch circuit over current protection required by the code
   6. Calculate feeder conductor size required by the code