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Lock Out/tag Out Training Manual 3

Lock Out/tag Out Training Manual 3

Nov 28, 2020

Lock out/tag out training manual 3


Power supply

Energy is the source of motivation for movement or potential movement.

Whether the power switch is on or off, some form of power source is always present in any connected device.

There are various sources of power, but generally there are one or two types:

Kinetic energy: Something that moves with energy

Potential energy: Energy stored in things that are not in motion

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Power plant

Examples of protective power units:

Equipment protection

Power off

A mechanical stop, such as a pointer or valve

Lock, can provide automatic protection for human error

But if you try any of the following, any power safety device may fail.

Do not omit a power safety lock, or let your colleague do so

Do not blindly rely on power safety facilities

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