Is a manually operable switch or circuit breaker equipped with a handle permitted as a disconnecting means?

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Prepare for the Washington Master Specialty Electrician – Limited Energy System (06) Exam. Access flashcards and multiple choice questions with detailed explanations to ensure you’re ready for test day!

Multiple Choice

Is a manually operable switch or circuit breaker equipped with a handle permitted as a disconnecting means?

Explanation:
A disconnecting means is a device that can safely interrupt all conductors of a circuit and provide a visible break. A manually operable switch or circuit breaker with a handle is designed to be opened by hand and clearly shows the circuit is opened, so it meets that requirement. The handle ensures real, manual control, which is essential for a disconnecting means. There’s no rule that it must be outdoors or only for lighting circuits; those are just restrictions that don’t apply here. As long as the device is accessible and properly rated for the circuit, it can serve as the disconnecting means.

A disconnecting means is a device that can safely interrupt all conductors of a circuit and provide a visible break. A manually operable switch or circuit breaker with a handle is designed to be opened by hand and clearly shows the circuit is opened, so it meets that requirement. The handle ensures real, manual control, which is essential for a disconnecting means. There’s no rule that it must be outdoors or only for lighting circuits; those are just restrictions that don’t apply here. As long as the device is accessible and properly rated for the circuit, it can serve as the disconnecting means.

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