ELT 123 - Electrical Controls I

Institution:

Central Maine Community College

Subject:

Description:

3 Credits (2 lecture 1 Lab 0 Shop) 4 Hrs/Wk (2 Hrs. Lecture 2 Hrs. Lab) *15 wks This course is a study of the functioning of electrical devices that are primarily used for manual switching of circuits such as piloted single-pole switches, Eagle three-way switches, four-way switches, momentary relays, and latching relays. Emphasis is placed on methods of wiring these devices into a system following N.E.C. procedures and interpreting blueprints and schematics. Applications include wiring switches to control lights and receptacles. Complete switching systems are formed by wiring together electrical equipment such as timeclocks, photoeyes, and relays. Singlephase transformers are used to step-up, step-down, and buck/boost voltages. DC motors are tested and connected for specific direction of rotation and speed. Corequisite: ELT 111.

Credits:

3.00

Credit Hours:

Prerequisites:

Corequisites:

Exclusions:

Level:

Instructional Type:

Lecture

Notes:

Additional Information:

Historical Version(s):

Institution Website:

www.cmcc.edu

Phone Number:

(207) 755-5100

Regional Accreditation:

New England Association of Schools and Colleges

Calendar System:

Semester

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