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Course Details & Registration Information

Electrical Wiring- Commercial
Available Classes
Not currently offered.
Description Course Outline Requirements Intended Audience More Details
Intended Audience
Students that would like to learn and start a career path in the electrical wiring trade
If you’re interested in becoming a commercial electrician or following other career pathways in the electrical trade, this course is for you! You’ll learn and practice electrical circuits, short circuit calculations, preventive maintenance and troubleshooting, electrical components and symbols, distribution systems, use of the NEC (National Electrical Code), load calculations, and electrical blueprint reading. The course offers hands-on instruction in standardized wiring techniques, methods, and materials with instructor supervision, in a lab equipped to simulate real conditions. Students should bring their own tools and materials and wear safety clothing, gloves, shoes, and glasses.
Course Objectives
  1. 1. Understand how electricity and electrical equipment work
    2. Identify different kinds of cables, boxes and devices
    3. Know basic operation of switches, receptacles and light fixtures
    4. Do minor repairs of electrical systems
    5. Apply general safety practices while working with electricity
    6. Basic knowledge of commercial wiring
    7. Develop good business practices
    8. Basic knowledge of NEC for wiring purposes
Outline of Instruction
  1. 1.-Math and Basic Electrical Formulas Review
    2.-Material Identification:
    EMT and Rigid: Sizes and types
    Wire & MC Cable: THHN- Sizes and colors identification according to voltage and amps
    Connectors & Couplings: EMT, rigid, PVC (schedule 40)
    Boxes and Covers: 4 square boxes, handy boxes, WP boxes, FS boxes, mud rings & covers
    Switches & Outlets: All different sizes, types, styles & voltages (single pole, 3way, 4way switches). Standard outlets (30 amp, 20 amp, 15 amp, GFCI, ISO, Decora, etc.).
    Lights and Ballasts: Styles and sizes (2x4, recessed, surface mounted).
    3.-Conduit & Mc Cable:
    EMT & Tape Measure Overview: Bending (90’s and offsets-45 degree, 30 degree). Cutting and filling in-wall pipe running and box mounting.
    Rigid: Bending, cutting, threading.
    Mc Cable: Size ID and installation into boxes with make-up.
    Strapping and Landing: Code for EMT, rigid and Mc Cable.
    4.-Pulling Wire and Making up Joints:
    Branch Wiring: Circuit Identification & making heads for proper pulling procedures.
    Fish Tape & Vacuum: Learning how and when to use (safety first). How to use a counting string, rope and vacuum to pull wire.
    Making Up Joints: Proper joint Make Up (code for how much excess to leave for each box). Grounding procedures- including but not limited to pig-tails, etc.
    5.-Wiring Lights, Switches & Outlets:
    Wiring Switch Banks: Make-Up for single gang, double gang and 3 gang switch banks. Basic understanding of ungrounded, grounded & grounding circuits.
    Outlets: Basic outlets- 30 amp, 20 amp, and 15 amp.
    Lights: Make-up can lights, 2x4, exit lights. Understanding ballasts, bulbs- Voltages and Wattages
    6.-Symbols and Drawings:
    Blue Print Symbols: Basic symbols- lights, outlets, switches, panels, grounding, etc.
    Drawings: Basic Blue Print reading- understanding sheet numbers, floor plan inlays, one-lines.
    Panel Schedules: Process of searching a circuit on the print and find the panel schedule that correlates (help labeling the wires).
    7.-Electrical Tools:
    Voltage Tester: How and when to use (safety procedures).
    Basic Hand tools: Necessary tools needed for electrical helpers.
    PPE: Personal protective equipment.
    8.-National Electrical Code (NEC)
    9.-Human Resources: Customer service, Interpersonal skills, Interview skills, Write a resume
    Note: Instructors may change the course schedule to better serve the students in the class.
Contact Hours
Industry Standard, State, or National Certification
CE to CU Articulation
Electrical Wiring – Residential course or equivalent
Text and Supplies Needed
1.- Safety Clothes
2.- Safety Glasses
3.- Safety Gloves
4.- Electrical Hazard (EH) Safety Shoes
5.- Electrical Screwdriver - Flat
6.- Electrical Screwdriver - Phillips
7.- Wire Stripper
8.- Electrical Lineman Pliers
9.-Traceable Knife
10.- Pouch
11.- Hammer
12.- Apron
13.- Measure Tape
14.- Digital Clamp Multimeter
15.- Voltage Detector
16.- Receptacle Tester with GFCI button
Clinical Site/Special Facilities
Electrical Wiring Lab
Requirements for Successful Completion of this Course
  1. Attendance 90% or above
  2. Participation
  3. Successful completion of this course requires 90% attendance and satisfactory class participation (i.e. be able to demonstrate proficiency in all concepts taught). Students with irregular attendance, less than 90% attendance, or who are unable to demonstrate competency will receive a grade of NG (no grade)
Accreditation/Special Approval Requirements
Electrical Wiring Residential or similar experience
Intended Audience
Students that would like to learn and start a career path in the electrical wiring trade
Specific Industry or Business Support Needs
Electrical Companies. Premier Electrical Staffing Company
Wake County Need for Industry Positions
Electrical Helper
Industry or Job Titles Related to training Outcomes for Employment
  • Electrical Technicians
  • Electrical Helpers
Related Courses
  • Residential Blueprint Reading - BPR-3011B4
  • Residential Construction Estimation - CAR-3118A3
  • Residential Contractors Exam Prep - CAR-3118B4
  • Electrical Wiring- Residential - ELC-3119A2
Course Contact Information
Vocational Training Department