Architecture and Construction, Grade 9 - 12, Commercial Wiring, 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
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2.) Identify electrical hazards and how to avoid and minimize them in the workplace.
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3.) Explain the purpose of switchgears in commercial wiring applications.
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4.) Describe construction, metering layouts, wiring requirements, and maintenance for switchgears.
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5.) Describe visual and mechanical inspections and electrical tests associated with low and medium voltage cables, busways, and instrumentation.
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6.) Describe the function of ground fault relay systems used in commercial wiring applications.
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7.) Describe the operation and function of Delta and Wye wired transformers.
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8.) Demonstrate connecting a multi-tap transformer to obtain required secondary voltage.
Connecting a control transformer for a given application
Calculating the power factor for a given circuit
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9.) Identify various types of hazardous locations encountered by commercial electricians.
Example: proximity work, limited-access work
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10.) Select commercial wiring materials and methods for use in hazardous locations.
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11.) Demonstrate the installation of explosion-proof boxes and fittings as specified by the National Electrical Code (NEC) codebook.
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12.) Select feeder over-current protection devices for continuous and noncontinuous duty loads in commercial wiring applications.
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13.) Calculate electrical loads for a variety of commercial applications.
Examples: office building, marina, restaurant
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14.) Calculate motor loads on electrical feeder lines.
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15.) Describe various types of standby and emergency generators.
Describing operating principles of automatic and manual transfer switches
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16.) Demonstrate the installation of a commercial service entrance and load center or panel board
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