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Course Criteria
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2.00 Credits
Explores the mechanical aspects of small and larger motor disassembly and assembly; bearing, commutator, slip ring and brush care; electrical maintenance; safety planning; and variable frequency drives. Prerequisite: ELM 125B.
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2.50 Credits
Introduction to pilot devices, wiring diagrams, ladder diagrams, and basic motor circuits. Areas of emphasis include two- and three-wire controls, parallel stop-start, and hand-off automatic controls. Prerequisite: ELM 125B.
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4.00 Credits
Comprehensive study of the theory and operation of transformers and industrial lighting. The functions of various types of transformers and the maintenance and repair of industrial lighting systems will be emphasized. Perform the actual hookup and testing of basic single-phase and three-phase transformer connections. Observe and demonstrate proper safety and maintenance techniques and develop service wiring techniques. Prerequisite: ELM 122B.
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3.00 Credits
The second of three courses offered in Low Voltage Systems. Low voltage systems are used to distribute, carry, capture, and display voice, video, audio, and data signals. Industries addressed in the course include entertainment (video and audio media systems), communications (telephone, fax, modem, networks, and public address systems), life safety (access control, alarm systems, and video surveillance), environmental control (HVAC and energy management), and automation controls (residential and commercial buildings). Topics covered include network cabling, cabling for wireless networks, testing of voice, video and data wiring, and fiber optic systems. Prerequisite: ELM 120.
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2.50 Credits
Survey of the National Electric Code and its application to the safe installation of electrical conductors and equipment. Prerequisite: ELM 122B.
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2.50 Credits
Introduction to digital electronics including numbering systems, binary codes, Boolean algebra, and logic hardware. Prerequisite: ELM 123B.
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4.00 Credits
Applications and testing of a variety of AC controls, including limit switches, control relays, timing circuits, control transformers, and variable frequency drives. Prerequisite: ELM 127B.
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2.50 Credits
Introduction to programmable controller hardware, numbering systems, memory organization, and peripheral devices. Prerequisite: ELM 132B and ELM 127B.
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1.00 Credits
In-depth study of Article 430 of the National Electric Code and its application to motors, motor circuits, and controllers. Prerequisite: ELM 133B.
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2.50 Credits
Practical experience in programming circuits using relay-type instructions, timers, counters, data manipulation, arithmetic functions, and other advanced features and techniques. Prerequisite: ELM 133B and ELM 134B.
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