ELT 172 - NEC Commercial/Industrial

1. Examine commercial and industrial building plans and specifications
   1. Explain the basic safety rules for working on electrical systems
   2. Discuss the project requirements from contract documents
   3. Demonstrate the application of building plans and specifications
   4. Show how to locate specific information on building plans
   5. Explain how to read and interpret electrical symbols used in construction drawings
   6. Identify the electrical installation requirements using plans to a commercial building
   7. Identify the electrical installation requirements using plans to an industrial plant
2. Evaluate service and feeder electrical loads
   1. Calculate service and feeder loads
   2. Determine the minimum overcurrent protection rating
   3. Calculate Available Fault current
   4. Understand Labelling requirements for Available Fault Current
   5. Understand Short Circuit Current Rating and Ampere Interrupt Rating
   6. Determine minimum conductor size
   7. Determine the minimum lighting load for a given occupancy
   8. Determine the minimum receptacle load for a given occupancy
   9. Determine the minimum equipment load
   10. Indicate correction and adjustment factors for various occupancies
   11. Calculate the reduction of neutral conductor size
   12. Calculate voltage drop
3. Assess Panelboards
   1. Understand how to select and install a panelboard
   2. Explain the correct way to select the panelboard
   3. Identify of circuits in a panelboard
   4. Calculate the correct feeder size for panelboard
   5. Determine the correct overcurrent protection for a panelboard
4. Examine branch circuits
   1. Determine the required number of branch circuits for a set of loads
   2. Determine the correct rating for branch circuit protective devices
   3. Determine the preferred type of wire for a branch circuit
   4. Determine the required minimum size conductor for a branch circuit
5. Analyze the different types of switches and receptacles
   1. Identify and select switches and receptacles with the proper ratings
   2. Demonstrate how to install different types of receptacles properly
   3. Demonstrate how to install different types of switches properly
6. Differentiate the types and correct selection of raceways and boxes
   1. Discuss the requirements for raceway installation
   2. Determine minimum raceway size
   3. Determine the proper size of boxes to be installed
   4. Select the proper size box that depends on the wire fill
   5. Select the proper size box that depends on the raceways entering the box
7. Analyze the terminology and code requirements for motor and appliance circuits
   1. Describe the word appliance used by the code
   2. Explain the appropriate method for installing electrical circuits to appliances
   3. Understand appropriate grounding for appliances
   4. Determine branch circuit ratings for appliances and motors
   5. Determine conductor sizes for appliances and motors
   6. Determine overcurrent protection for appliances and motors
   7. Understand the terms Type 1 and Type 2 protection using thermostats
8. Evaluate luminaires and lamps
   1. Understand technical terms associated with lamp selection
   2. Define lamps by their designations
   3. Select proper luminaires for commercial/ industrial locations
   4. Calculate the lighting watts per square foot for a given space