May 30, 2024  
2022-2023 College Catalog 
2022-2023 College Catalog [ARCHIVED CATALOG]

BCT 174 - Electrical III

4 Credits, 6 Contact Hours
2 lecture periods 4 lab periods

Continuation of BCT 173 . Includes conductor installation, cable tray, conductor termination and splices, electric service installation, circuit breakers and fuses, contactors and relays, and electrical lighting.

Prerequisite(s): BCT 173  or concurrent enrollment.
  button image Prior Learning and link to PLA webpage

Course Learning Outcomes
  1. Demonstrate proper electrical conductor installations.
  2. Describe the installation process of cable trays.
  3. Demonstrate ability to perform conductor splicing in accordance with the National Electrical


4. Calculate electrical service size using the National Electric Code and describe the installation

of electrical services.

5. Describe the critical information on circuit breakers and fuses and demonstrate installation.

6. Discuss the application differences between relays and contactors.

7. Discuss the different types of electric lighting as they apply to residential, commercial, and in

industrial applications.

  1. Conductor Installation
    1. Current carrying ability
    2. Skin effect
    3. National Electric Code (NEC) applications
  2. Cable Tray
    1. Applications
    2. Installations
    3. Type of compartments in tray
    4. Installation of conductors in cable tray
  3. Conductor Termination and Splices
    1. Types of splices
    2. Types of terminations
    3. Taping of splices
    4. Equipment use to make splices
  4. Electric Service Installation
    1. Residential
    2. Commercial
    3. Calculation of service size
    4. Use of the National Electric Code in determining size
  5. Circuit Breakers and Fuses
    1. Ampacity
    2. Multi-pole breakers
    3. Split breakers
    4. Fuse sizing
    5. Type of fuse to use
    6. Ratings of a fuse
  6. Contactors and Relays
    1. Types of relays
    2. Types of contactors
    3. Motor controllers
    4. Star-Delta controllers
  7. Electrical Lighting
    1. Principles of illumination
    2. Light sources available
    3. Applications/installations
      1. Residential
      2. Commercial
      3. Industrial