CWEA Mechanical Technologist II Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 500

What is the device on a power tool that cuts off power when released called?

Emergency stop switch

Deadman switch

The device that cuts off power when released is known as a deadman switch. This type of switch is designed to enhance safety by ensuring that the tool or machine stops operating as soon as the user loses control or releases their grip. The principle behind a deadman switch is to prevent accidents; if the operator becomes incapacitated or drops the tool, the power is automatically cut off, minimizing the risk of injury or further damage.

In practical applications, particularly in industries such as construction or manufacturing, this design feature is critical, as it aligns with safety protocols to protect workers. The deadman switch is particularly common in various power tools and machinery, where continuous operation depends on the user maintaining a grip on the device.

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Safety latch

Power cutoff button

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