NCCER Wireways, Raceways & Fittings Practice Test 2025 – Comprehensive Exam Prep

Question: 1 / 400

What is flexible metal conduit (FMC) often used for?

Connecting straight pipes

Connecting to vibrating machines

Flexible metal conduit (FMC) is commonly utilized in electrical installations, particularly for environments where movement or vibration is an issue. Its flexibility allows it to be easily bent and shaped around obstacles, making it ideal for connecting to vibrating machines. In situations where equipment is subject to movement, using rigid conduits can lead to stress and potential damage to the electrical wiring. By employing FMC, not only can you accommodate movement without risking damage, but you also ensure the safety and reliability of the electrical system.

While there are other applications for FMC, its primary advantage lies in providing protection for wiring in dynamic environments, which is why it is chosen for use with vibrating machinery.

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Grounding electrical systems

Hiding wiring

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