Exam (elaborations)
Residential Electrician TEST WITH COMPLETE SOLUTION | LATEST 2024/25
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Residential Electrician TEST WITH COMPLETE SOLUTION | LATEST 2024/25
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Residential Electrician TEST WITHCOMPLETE SOLUTION | LATEST
2024/25
Service Conductors - Extend from the utility pole, manhole, or pad-mounted transformer
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to the service-disconnecting device at the service entrance.
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Branch Circuits - The circuits that supply the various lighting fixtures, appliances, and
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heating devices in a house.
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Service Entry Equipment - Brings electric power into a building and then distributes it to
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the branch circuits.
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II Transformer - A device that converts high voltage electricity to either 120 V or 240 V. II II II II II II II II II II II II II II II II II
Electrical Service - The connection where electrical power enters a house. Includes the
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service drop, the weatherhead, the service entry or riser, the electric meter, the service
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panel inside the home, and the service grounding components.
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Service Cable/Service Drop - A set of wires that make the connection between the
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transformer or utility pole to the home
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Service Entry/Service Riser - The pipe or conduit that extends up the side of the home
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from the meter socket, protecting the cables inside.
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Service Mast - a piece of metal conduit that provides service conductor protection at the
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proper height requirements for service drops. Always mounted on the exterior of a home.
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Conduit - A special type of protective pipe that's made specifically for the installation and
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protection of electrical wires
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Service Entry Head/Weatherhead - The connecting device for the service entry cable
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with a primary purpose to prevent rainwater and snow from entering the electrical system
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through the mast
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II Dead-End Insulator - A heavy insulator located below the weather head II II II II II II II II II II II II
Drip Loop - An arranged curvature of the service conductor to allow rainwater to flow
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down the cables to the bottom of the loop and drip off, rather than flow toward the
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weatherhead area.
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Circuit Breaker - An automatic device for stopping the flow of current in an electric circuit
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as a safety measure.
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