# APEL 121A: ELECTRON THEORY; AC & DC ELECTRICAL THEORY; NEC INTRODUCTION; PARALLEL & COMBINATION CIRCUITS

## Foothill College Course Outline of Record

Foothill College Course Outline of Record
Units: 5
Hours: 36 lecture, 84 laboratory per quarter (120 total per quarter)
Prerequisite: Per California Code of Regulations, this course is limited to students admitted to the San Francisco Inside Wireman Electrical Program.
Advisory: Not open to students with credit in APRT 121.
Degree & Credit Status: Degree-Applicable Credit Course
Foothill GE: Non-GE
Transferable: None
Repeatability: Not Repeatable

## Student Learning Outcomes

• To understand the layout of the code book and why there is one
• To understand the basic DC electrical theory

## Description

Introduction to the National Electrical Code (NEC), applied codeology toward the National Electrical Code. Discuss and demonstrate basic AC and DC electrical generation. Ohm's Law, understand DC parallel and combination circuits. Basic three-phase AC.

## Course Objectives

The student will be able to:
A. Understand the National Electrical Code.
B. Understand the use of applied codeology towards the National Electrical Code.
C. Understand, discuss and demonstrate basic AC and DC electrical generation.
D. Understand Ohm's Law.
E. Understand DC parallel and combination circuits.
F. Understand basic three-phase AC.

## Course Content

A. National Electrical Code
1. Purpose and intent of electrical codes
2. Scope on NEC and local codes
B. Applied codeology
1. How local codes may differ from other local codes
2. Recognize and apply dimensions
C. Basic AC and DC electrical generation
1. Parts of a AC and DC generator
2. Calculations of AC resistive circuits
D. Ohm's Law
1. Total resistance using product-sum and reciprocal methods
2. Alternate current paths
3. Currents
4. Law of proportion
5. Power requirements of components
E. DC parallel and combination circuits
1. Components
2. Differences between series and parallel circuits
F. Basic three-phase AC
1. Wye and Delta windings
2. Three phase sine wave
3. Operation and characteristics of three phase systems

## Lab Content

Students will work individually and in teams on proper wiring and grounding of electrical systems. Safe working practices are reviewed and will include:
A. Equipment safety
B. Fire protection
C. Electrostatic Discharge (ESD)
D. Safe handling practices

## Special Facilities and/or Equipment

Laboratory with electrical tools and equipment, to include:
A. Audio-visual equipment (slide, video and overhead projectors)
B. Hand benders for conduit
C. Various hand tools for conduit bending
D. Laptop computers
E. Conduit benders

## Method(s) of Evaluation

A. Results of written quizzes and average of six tests
B. Results of hands-on projects and homework
C. Results of class participation
D. Maintenance of a student's workbook with questions drawn from text

## Method(s) of Instruction

A. Lecture
B. Lab Assignments
C. Group Discussion
D. Demonstration

## Representative Text(s) and Other Materials

NJATC Orientation Workbook. Upper Marlboro, MD: National Joint Apprenticeship Training Committee, 2009.

NJATC Job Information-1 Workbook. Upper Marlboro, MD: National Joint Apprenticeship Training Committee, 2010.

DC Theory Textbook. Clifton Park, NY: DELMAR: Cengage Learning, 2012.

NJATC DC Theory Blended Learning. Upper Marlboro, MD: National Joint Apprenticeship Training Committee, 2012.

Conduit Bending and Fabrication. Homewood, IL: American Technical Publishers, in partnership with the NJATC by the National Joint Apprenticeship and Training Committee for the Electrical Industry and American Technical Publishers, Inc., 2009.

Although one or more of these texts is older than the suggested "5 years or newer" standard, it remains a seminal text in this area of study.

## Types and/or Examples of Required Reading, Writing, and Outside of Class Assignments

A. Reading assignment from the Electrical Systems based on the 2014 NEC.

B. Writing assignment from the Electrical Systems based on the 2014 NEC.

1. Write articles on safety considerations per the National Fire Protection Association, NEC 2014. NFPA 70: National Electrical Code.

Electricity