Course Descriptions

Electrical Technology Department Course Descriptions
2014-2015 College Catalog

Course Name
 Course #
Credits
Description
Circuit Theory I  EL110  4 Introduction to basic DC Circuit Theory. Topics include introduction to SI units and a study of Ohm’s Law and Kirchoff’s Voltage and Current Laws; series, parallel, and series-parallel circuit analysis, and power and energy relations and analysis. Theory and application of inductors and capacitors. National Electrical Code application of DC Theory. Topics reviewed and reinforced in the accompanying laboratory exercises. Prerequisites: Pass placement testing or complete MA105 with a GPA of at least 2.00 (Offered in the fall and spring).
Electrical Design and Layout I/NEC I  EL127  5 An introduction to the National and Massachusetts Electrical Codes and study of the fundamentals of electrical design, based on the requirements of these codes. Topics focus on residential applications and include polarity identification of systems and circuits; safety rules for working on electrical systems; electrical symbols; factors affecting conductor size and type of insulation; application of switches; and an emphasis on circuit wiring diagrams. Application of general wiring methods, boxes, fittings and cabinets. Laboratory included. Prerequisites: Pass placement testing or complete MA105 with a GPA of at least 2.00 (Offered in the fall and spring).
Electrical Design and Layout II/ NEC II  EL129  5 A continuation of the topics covered in EL127. Continued study of the National and Massachusetts Electrical Codes and fundamentals of electrical design. Topics include requirements for calculating branch circuit sizing and loading; principles of overcurrent protection; grounding and bonding; residential special purpose outlets; and Service-Entrance equipment and calculations. Laboratory included. Prerequisite EL127 (Offered in the spring and summer).
Circuit Theory II EL213  4 Continuation of topics covered in EL110. Emphasis will be on basic AC circuit concepts as applied to the generation of single-phase alternating current voltages. Analysis of Peak and RMS voltages. Study of the differences between sinusoidal and non-sinusoidal waveforms. Analysis of power in AC circuits and the effects of inductive and capacitive elements on electrical systems. Study and analysis of the relationships between voltage, current, and impedance in AC circuits. National Electrical Code application of AC Theory. Topics reviewed and reinforced in the accompanying laboratory exercises. Prerequisite EL110 (Offered in the spring and summer)
Low Voltage Systems and Controls  EL 214  4 Topics include Fire Warnings and Security Systems, Fiber, Data and Communications Wiring and Systems. Study will focus on the application of the current National and Massachusetts Electrical Codes as they pertain to these systems (Offered in the fall).
Electrical Design and Layout III/ NEC III  EL222  4 Continued study of the National and Massachusetts Electrical Codes and fundamentals of electrical design as they pertain to Commercial applications. An introduction to a variety of wiring methods, including EMT, RMC, IMC, PVC, and types AC and MC cable.Topics include interpreting blueprints and specifications; calculating types of luminaires and their application; electrical loads; motor and appliance circuits, and feeder sizing. Laboratory included. Prerequisite EL129 (Offered in the fall).
Electrical Design and Layout IV/ NEC IV  EL229  4 Continued study of the National and Massachusetts Electrical Codes with emphasis on advanced topics, including hazardous locations and requirements for special occupancies. Other topics include commercial branch circuits, feeders and electrical services; feeder diagram calculations; motor and motor control installations; motor load calculations; and principles of grounding systems and equipment.Laboratory included. Prerequisite EL222 (Offered in the spring).
Electrical Machinery I  EL240  4 Study of the operating characteristics of single-phase and three-phase transformers, voltage and current transform ratio, transformer modeling. Effects of loads, voltage regulation, losses and efficiency. Study of the operating characteristics of DC generators such as shunt, compound, series and separately excited generators, voltage build-up, regulation and efficiency. Study of the operating characteristics of DC motors, counter emf, torque and starters. Study of single-phase and three-phase AC generators and motors. Laboratory included. Prerequisite EL213 (Offered in the fall).
Electrical Machinery II  EL241  4 Continuation and advanced coverage of topics presented in EL240. Emphasis will be on the principles and characteristics involved in the modern day commercial and industrial usage of various electrical motors, generators, control circuits, transformers, pilot devices, schematic and ladder diagrams, and the introduction to the operation, connections, and programming of PLC’s for the control of electrical machinery. Laboratory exercises with operating actual electro-mechanical machinery will allow students hands-on experience with the topics presented in classroom study. Students will be presented with the areas of the National Electrical Code that are pertinent to the material covered. Prerequisite EL240 (Offered in the spring). 
Photovoltaic Design and Installation  EL243  4 This 4-credit course will introduce students to the basic principles of photovoltaics. Topics will focus on site selection, panel types, storage centers, system design, and system application. Upon course completion, students will be able to install basic system components in accordance with the National Electrical Code and OSHA. Topics focus on photovoltaics and wind energy technology. The course prepares students for the North American Board of Certified Energy Practitioners (NABCEP) PV Entry Level exam. Prerequisite EL213, EL222, and EL240, TS201 (Offered in the spring).
ELECTRICAL CODE I  PE101
A study of the requirements of the National and Massachusetts Electrical Codes, including the applications of overcurrent devices, switches, conductors, conductor identification and the practical safeguarding of persons and property with respect to the installation of general wiring methods. Included in the course is a practical application of the requirements of the National and Massachusetts Electrical Codes as applied to residential wiring. During this lab experience students will be instructed in the design and configuration of common switching circuits, control circuits, and installation of electrical services while utilizing wiring methods common to residential installations. Training in the use of electrical tools, along with the testing and troubleshooting of basic electrical circuits are included (Offered in the spring (evenings)).
ELECTRICAL CIRCUIT THEORY  PE103  5 A study of the concepts of voltage, current, resistance, and electrical power as applied to common DC and sinusoidal AC circuits. Topics covered are Ohm’s Law, series, parallel, and combination circuits. Other topics include magnetism, AC waveforms, inductance, capacitance, reactance, and impedance, along with phasers and RC, RL and RLC circuits. Included with this course is a laboratory component that provides the student an opportunity to visually analyze the practicable application of those principles discussed in lecture. Students will assemble Direct and Alternating Current series, parallel and combination circuits comprised of resistive, inductive and capacitive loading components. The assigned lab experiments will provide the student an opportunity to clarify the various fundaments of power distribution and the relationship of voltage, current, power, power factor and phase relationships commonly experienced in today’s electrical systems (Offered in the spring (evenings)).
ELECTRICAL CODE II  PE201  5 A continuation of study of the National and Massachusetts Electrical Code, including wiring methods for commercial construction, branch circuits, feeders, branch circuit and feeder calculations, services, and grounding. Included with this course is a practical application of the requirements of the National and Massachusetts Electrical Codes as applied to commercial construction. During this lab experience students will be instructed in the design and configuration of more complex switching circuits, control circuits, and installation of electrical services while utilizing wiring methods common to Commercial installations. Training in the use of electrical tools, along with the testing and troubleshooting of more complex electrical circuits. Prerequisite PE101 (Offered in the summer (evenings)).
ELECTRICAL MACHINERY  PE203  5 Advance coverage on AC circuits and power factor. A study of the theory of polyphase circuits, single and three phase transformers, rotating electrical machinery, machine characteristics, and practical control of machines. Included with this course is a laboratory component that provides an opportunity for students to visually analyze the application of those principles discussed in lecture. Students will connect and operate direct current motors and generators, alternating current transformers, motors and generators, and monitor their operation under simulated load. . The lab experiments will provide the student an opportunity to observe the various fundaments of power distribution and the effects of various reactive loads on the operation of transformers, generators, AC motors and motor control circuits. Prerequisite PE103 (Offered in the summer (evenings)).
ELECTRICAL MACHINERY LAB PE204
 1 This course provides an opportunity for students to visually analyze the application of those principles discussed in PE203. Students will connect and operate direct current motors and generators, alternating current transformers, motors and generators, and monitor their operation under simulated load. . The lab experiments will provide the student an opportunity to observe the various fundaments of power distribution and the effects of various reactive loads on the operation of transformers, generators, AC motors and motor control circuits.
ELECTRICAL CODE III  PE211  5 Continued study of the National and Massachusetts Electrical Codes with emphasis on advanced topics, including hazardous locations and requirements for special occupancies. Other topics may include requirements for Photovoltaic installations, motor and motor control installations, motor load calculations, and principles of grounding systems and equipment. Included in this course is a laboratory component that provides a practical application of the requirements of the National and Massachusetts Electrical Codes as applied to the topics discussed in lecture. Prerequisite PE201 (Offered in the fall (evenings)).
LOW VOLTAGE SYSTEMS  PE213  3 Topics include communications, data, fiber optic, audio, fire warnings and security systems. Study will focus on the application of the current National and Massachusetts Electrical Codes as they pertain to these systems. Prerequisite PE203 (Offered in the and fall (evenings)).