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Course Listings 2020-2021 Grounding and Bonding Electrical theory and calculation of electrical current. Grounding and bonding terminology including National Electric Code (NEC) Articles 250. Interpreting code requirements for grounding and bonding. Code requirements for field installation and sizing. Prerequisites: None. ELC210 Lecture 3 Credits 3 Periods AC Machinery and DC Machinery Principles and operation of AC (Alternating current) and DC (direct current) motors, generators, and alternators. Includes single-phase motors along with induction, synchronous, and wound-rotor types of three-phase motors. DC motors including shunt-field, series field, wound rotor, permanent magnet, stepper and brushless types. Prerequisites: A grade of C or better in ELC119, or permission of Instructor, or admission to Electric League of Arizona program. ELC217 Lec + Lab 3 Credits 3 Periods Motor Controls Electrical symbols, line diagrams and logic. Contacts and starters, control devices, reversing circuits and power distribution systems. Magnetism and magnetic solenoids, reduced voltage starters, and circuits. Hand tools and safety procedures. Prerequisites: A grade of C or better in ELC119 or permission of Department or Division or admission to Electric League of Arizona program. ELC218 Lecture 3 Credits 3 Periods Variable Frequency Drives Principles and operation of frequency controlled AC (alternating current) motor drives, including current source inverters (CSI), variable voltage inverters (VVI) and pulse width modulated inverters (PWM). Heating, ventilation and air conditioning (HVAC) applications along with energy savings, motor pump sizing and torque load calculations. Prerequisites: A grade of C or better in ELC120, or permission of Instructor, or admission to Electric League of Arizona program. (ELR) ELECTRICAL ELR110 157 Clock Hours Electrical Basics Gain an understanding of electrical trade, safety and electrical circuits, electrical theory, voltage and current laws, and circuit analysis. Learn electrical codes and device boxes. Prerequisites: None. ELR111 111 Clock Hours Electrical Installations Learn conduit bending fundamentals, raceway and fittings, applications of conductors and cables, electrical drawings, 275