Residential Wireman Electrical Practice Exam

Question: 1 / 400

What is the primary function of a faceplate in electrical installations?

A cover that protects the electrical box

The primary function of a faceplate in electrical installations is indeed to serve as a cover that protects the electrical box. It completes the installation by enclosing the components inside the box, preventing dust, debris, and exposure to physical contact. This not only provides safety by reducing the risk of accidental electrocution but also contributes to the aesthetics of the installation by giving a finished look. Faceplates help to keep the internal components secure and maintain the integrity of the electrical system, ensuring that wiring and devices are safely housed.

The other options describe components that serve different purposes in electrical systems. For example, a conduit is designed to protect and route electrical wiring, while devices that increase voltage, such as transformers, and types of circuit breakers are specific electrical devices unrelated to the protective and aesthetic role of a faceplate.

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A conduit for electrical wires

A device to increase voltage

A type of circuit breaker

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