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Electrical Course Descriptions
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| ETL101 Electrical
Fundamentals I |
3 Credits |
This electrical course will encompass direct current fundamentals, and will conclude with and introduction to alternating current theory. Topics of study include: safety, atom structure, electrical units, engineering units and ohms law, power, resistive loads, series circuits, parallel circuits, static electricity, measuring instruments, magnetism and magnetic induction, and DC motors.
Co-requisite: MAT114 or higher. |
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| ETL103 Electrical
Fundamentals II |
3 Credits |
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This electrical course will review of the basic concepts of electricity and continue with a study of alternating current circuits. Topics such as three phase circuits, transformers, and AC motors will be covered.
Prerequisites: ETL101, MAT114.
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| ETL109 Direct Current Theory |
3 Credits |
| This course is designed to
provide a solid foundation in the field of
electricity and electronics by introducing
students to direct current fundamentals.
Topics such as atomic structure, conductors
and insulators, electron current flow, DC
sources of electricity, voltage, current,
and resistance, series, parallel,
combination circuits, Ohm’s Law, and
Kirchhoff’s Law will be covered in detail.
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| ETL110 Alternating
Current Theory |
3 Credits |
This course is a
continuation of DC theory, and is designed
to introduce students to alternating current
theory and its applications. Topics such as
sine wave, capacitors, inductors,
transformers, reactive circuit analysis,
meters, magnetism, conductors, and
insulators.
Prerequisite: ETL109. |
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| ETL113 Electrical Circuits I |
3 Credits |
This theory/lab course will provide students with a foundation in electrical circuits using steady state direct current (DC) voltage sources. Topics to be covered include: engineering notation, electrical units of measure, electrical components, Ohm’s law, circuit analysis, and circuit theorems. Circuit analysis techniques along with the use of the scientific calculator will be stressed throughout the course. The lab component of this course is designed to reinforce theory by providing hands-on applications through a series of related lab projects. Students will build, test, measure, and troubleshoot electrical circuits wired in series, parallel, and combinational configurations. Electronic test and measurement equipment such as digital multi-meters (DMM), variable DC power supplies, and proto-boards will be used throughout the course.
Co-requisite: MAT114. |
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| ETL114 Electrical Circuits II |
3 Credits |
This theory/lab course is a continuation of Electrical Circuits I that will provide students with a foundation in electrical circuits using sinusoidal alternating current (AC) voltage sources. Topics to be covered include: AC sine-wave analysis, time-frequency waveform analysis, inductors, capacitors, transformers, resistive-capacitive-inductive (RLC) circuit analysis, resonant RLC circuits, electronic filters, and poly-phase electrical systems. The lab component of this course is designed to reinforce theory by providing hands-on applications through a series of related lab projects. Students will build, test, measure, and troubleshoot electrical circuits using inductors, capacitors, resistors and transformers. Electronic test and measurement equipment such as the dual trace oscilloscope, function generator, digital multi-meter (DMM), capacitor/inductor analyzer, and proto-board will be used throughout the course.
Prerequisite: ETL113. |
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| ETL120 Rotating Machines
and Transformers |
3 Credits |
This course
covers the basic theory of operation for a
variety of rotating machines, including DC
motors and generators, AC three-phase motors
and generators, and AC single phase motors.
Operation principles and common connections
of single phase and three phase transformers
will also be covered. Reference to the
appropriate articles of the National
Electrical Code as they relate to AC/DC
machines will be an ongoing part of the
course.
Prerequisite: ETL113;
Co-requisite: ETL114. |
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| ETL121 Electrical Wiring
Practices I |
5 Credits |
This course is
designed to cover the principles and
materials used in residential and commercial
wiring applications. It will focus on
diagrams, materials, and circuitry as they
relate to residential and commercial wiring
techniques. Reference to the appropriate
articles of the latest edition of the
National Electrical Code will be an ongoing
part of the course. Each student is required
to have a basic set of electrical tools and
a multimeter.
Co-requisite: ETL113 or permission of
instructor. |
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| ETL122 Electrical Wiring
Practices II |
5 Credits |
This course is
designed to cover the common writing
practices used in commercial and industrial
applications. Reference to the latest
edition of the National Code will be an
ongoing part of the course. Students will
work on lab exercises that will give them
practical hands-on experience and the
applicable trade information required to
become proficient in the commercial and
industrial electrical construction field.
Particular emphasis will be placed on topics
such as workplace safety, tools of the
trade, wiring techniques, conduit bending,
voice, video and data wiring, and electrical
materials and nomenclature.
Prerequisite: ETL121. |
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| ETL124 Fundamentals of
Electronics |
3 Credits |
This course is a continuation of DC and AC theory. The student will be introduced to the following topics: semiconductor theory, diodes, power supplies, transistor theory, amplifiers, oscillators and operational amplifier principles, and SCR and triac control circuits.
Prerequisite: ETL113;
Co-requisite: ETL114. |
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| ETL127 Electrical Motor
Controls |
3 Credits |
This course will
provide the student with a detailed
interpretation of motor control applications
using modern methods and equipment.
Particular emphasis will be given to manual,
semiautomatic, and automatic control of
electrical motors and equipment.
Troubleshooting techniques of motor control
systems will be covered in detail.
Prerequisite: ETL113;
Co-requisites: ETL114, ETL120. |
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| ETL215 National
Electrical Code |
3 Credits |
This course will cover the major articles of the current edition of the National Electrical Code. Examples of its application to actual wiring installations will be included. Particular emphasis will be placed on chapters 1, 2, 3, 4, and 9. Material covered is designed to help prepare the student for State Electrical Licensing.
Prerequisites: ETL121 and ETL120; or currently working in the field as an electrician. |
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| ETL216 Advanced National Electrical Code |
3 Credits |
This course is a continuation of ETL215 National Electrical Code and will cover the major articles found in chapters 5, 6, 7, and 8 of the current edition of the National Electrical Code. Examples of the Code’s application to actual wiring installations will be included. Preparation for the State of Maine Journeyman Electrician licensing exam will be a major focus of this course.
Prerequisite: ETL215 or permission of instructor. |
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| ETL221 Industrial Control
Systems |
4 Credits |
This theory/lab
course is designed to teach the basics of
Programmable Logic Controllers (PLC’s). The
theory of programming, use of the hardware
and software in the installation, set-up,
trouble-shooting, and input/output
addressing will be covered in detail.
Operation of logic gates and logic circuits
will include Boolean expressions. Hands-on
applications will reinforce the learning
process.
Prerequisites: ETL127, ETL124. |
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| ETL222 Introduction to
Instrumentation |
3 Credits |
This course is
designed to provide the student with an
introduction to the basic principles of
instrumentation and process control. It
includes a thorough discussion of the
various instruments used in industrial
applications. The operating principles of
these instruments will be covered and actual
examples of instrument applications in
process control will be emphasized.
Measurement of temperature, pressure, level,
flow, and humidity and what part these
variables play in an industrial process will
be covered in detail.
Prerequisite: ETL221 or permission of
the instructor. |
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| ETL225 Photovoltaic and Small Wind Electrical Systems |
3 Credits |
This course is designed to introduce students to photovoltaic (PV) and small wind electrical systems. It will include coverage of topic areas such as photovoltaic basics, PV modules, inverters, charge controllers, batteries, and mounting techniques. Also covered will be small wind power electrical generation, including wind basics, wind turbines, towers, and installation techniques. Instruction in proper installation safety procedures will be presented throughout the course.
Co-requisite: ETL122 or permission of instructor. |
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