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Architecture and Construction, Grade 9 - 12, Motor Control, 2009

1.) Demonstrate safety procedures as recognized by governing agencies and approved industry standards when testing and replacing components or installing wiring.

Examples: lockout, tagout

2.) Identify electrical hazards and how to avoid and/or minimize them in the workplace.

3.) Determine the size of wire needed for branch and feeder circuits for electric motors.

4.) Select over-current and short-circuit protection devices for electric motors.

5.) Recognize contactors and relays on schematic drawings.

•  Selecting appropriate contactors and relays for use in specified applications
•  Selecting pilot devices for use in specified control systems
6.) Explain how to connect motor controllers according to National Electrical Code (NEC) requirements.

7.) Describe characteristics of solid-state devices.

8.) Identify common types of transistors by their characteristics.

9.) Interpret electronic schematic diagrams common to motor control systems.

10.) Install diodes, light emitting diodes (LEDs), silicon controlled rectifiers (SCRs), and solid-state devices.

11.) Identify alternating current (AC) and direct current (DC) motors from schematic drawings and physical characteristics.

•  Demonstrating the ability to connect motors for high and low voltage applications
12.) Describe functions of various fire alarm system components.

13.) Explain types of circuitry that connect fire alarm components.

•  Interpreting the National Fire Alarm Code (NFPA) 72 for installation and maintenance
14.) Describe functions of current and potential transformers.

•  Connecting current transformers
•  Connecting potential transformers
15.) Install shielded, constant current, and specialty transformers according to NEC requirements.

16.) Interpret motor control schematics.

17.) Describe procedures for installing manual and magnetic motor starters for various switches in accordance with NEC requirements.

18.) Install various motor control devices.

19.) Draw a common ladder diagram according to specifications.

20.) Identify symbols, terms, and devices used for programmable logic controller (PLC) operations.

21.) Write a single PLC application utilizing pushbuttons, coils, timers, and lights.

22.) Describe troubleshooting techniques used to solve wiring problems.

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