ELT 200 - Commercial Wiring

Institution:

Delaware County Community College

Subject:

Electrical

Description:

This course provides an in-depth comprehension of commercial wiring. It includes the understanding of electrical power needs and distribution requirements for a typical commercial facility. The course stresses the application of main power components to support calculations necessary to have a safe and efficient commercial installation. Students will become knowledgeable of wiring for special circuits, appliances and loads such as, but not limited to, refrigeration, HVAC, food preparation apparatus and associated loads relative to various types of commercial wiring. The course will include requirements for a thorough study of commercial service entrance equipment from the utility company's service drop to the building's main switchboard. Upon successful completion of this course, students should be able to: Demonstrate the application of commercial building plans and specifications and interpret electrical symbols; Compute the correct service entrance feeder size, number of circuits and identify the criteria for selecting the appropriate service equipment; Comprehend installation requirements for commercial wiring; Demonstrate an understanding of the common techniques to determine whether a circuit has a short circuit, a ground fault or an open circuit and trouble shoot common residential electrical system problems; Draw basic Wye and Delta transformer diagrams and make connections; Identify and comprehend entrance grounding requirements; Determine the preferred and required minimum size conductors for lighting, appliances and general purpose branch circuits; Compute the lighting watts per square foot for a commercial building; Identify types of lighting fixtures used; Demonstrate the correct connections for wiring a low-voltage remote control system; Identify the different types of emergency power systems and all the sub-components and site requirements; Demonstrate knowledge of transformers, disconnecting devices, service entrances and metering configuration in a commercial building; Determine the proper raceway type and size dependent on conductors to be installed and box size for approved box fill; Describe both Wye and Delta connected three-phase services; Calculate loads for single-phase and three-phase branch circuits; Calculate loads for a retail store, office building, both single and multi-family dwellings, restaurant and other institutional projects.

Credits:

4.00

Credit Hours:

Prerequisites:

ELT 102

Corequisites:

Exclusions:

Level:

Instructional Type:

Lecture

Notes:

Additional Information:

Historical Version(s):

09/01/2006 - 01/03/2013 

Institution Website:

www.dccc.edu

Phone Number:

(610) 359-5000

Regional Accreditation:

Middle States Association of Colleges and Schools

Calendar System:

Semester

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