Standard

 

ELT 109 — Commercial Wiring III

Course Description:

Presents the theory and practical application of conduit installation, system design, and related safety requirements. Topics include: conduit installation, system design concepts, and safety procedures.

 

Competency Areas:

Hours:

 

 

 

Conduit Installation

Class

4

System Design Concepts

D. Lab

0

Safety Procedures

P. Lab/O.B.I.

3

 

Credit

5

Prerequisite:  

 

Corequisite:

ELT 107, ELT 108

 

Course Guide

 

Competency

After completing this section, the student will:

Hours

Class

D. Lab

P. Lab/

O.B.I.

CONDUIT INSTALLATION

20

0

17

Structure

Measure, chisel, cut, or drill structure for conduit system.

 

 

 

Wiring

Measure, cut, run, or terminate wiring through conduits.

 

 

 

PVC

Install PVC conduit and boxes to structures.

 

 

 

 

Identify PVC conduit and connectors.

 

 

 

EMT

Identify EMT connectors.

 

 

 

 

Measure, cut, run, or terminate wiring through conduits to junction boxes or receptacles.

 

 

 

Rigid

Thread rigid conduit.

 

 

 

 

Identify rigid couplings.

 

 

 

Flexible conduit

Identify permissible uses.

 

 

 

 

Identify flexible connectors.

 

 

 

Modular wiring

Discuss use of modular wiring systems in residential and commercial housing.

 

 

 

 

Explain the benefits of using these systems.

 

 

 

SYSTEM DESIGN CONCEPTS

10

0

0

Installation

Identify procedures to install wireways, raceways, and surface metal raceways.

 

 

 

Grounding

Ground raceways according to NEC requirements.

 

 

 

Planning

Plan installations of raceways, wireways, and surface metal raceways.

 

 

 

SAFETY PROCEDURES

10

0

13

Conduit types

Identify rigid conduit.

 

 

 

 

Identify special-purpose conduit and connectors.

 

 

 

Safety

Develop safe working techniques.

 

 

 

 

Properly ground a conduit system.

 

 

 

 

Develop safe working techniques.

 

 

 

 

Properly ground a conduit system.

 

 

 

 

Identify hazards of working with conduit systems.

 

 

 

 

Suggested Resources

 

Books:

 

Alench, Walter N., Electrical Construction Wiring, American Technical Society, ISBN 0-8269-1420-9

Cildero, Robert and Sharpe, Kenneth, Construction Wiring, Delmar Publishers Inc., ISBN 0-8273-2134-1

Croft, Terrell and Summers, Wilford I.; American Electricians Handbook, McGraw-Hill Publishers ISBN 0-07-013936-9

Graham, Kennard C., Industrial and Commercial Wiring, American Technical Society, ISBN 0-8269-1500-0

Hart, Ugly’s Electrical References, Burleson Distribution Corp. ISBN 0-9623229-6-2

Henry Tom, Calculations for the Electrical Exam 2002, Tom Henry Publisher, Item # 105-02

Holzman, Harvey, Modern Commercial Wiring Book Based on the 2002 NEC, Published by Goodheart-Wilcox, ISBN 1-56637-916-4

Mullin and Smith, Electrical Wiring Commercial (11th ed.), Delmar Publishers ISBN 0-7668-3342-9

Rockis, Gary, Residential Wiring, American Technical Society, ISBN 0-8269-1652-X

Modern Commercial Wiring Workbook Based on the 2002 NEC, Published by Goodheart-Wilcox, ISBN 1-56637-917-2

NEC 2002 Code, Published by NFPA, Distributed by Delmar Publishers