Key switch

A key switch is a switch that can be activated only by the use of a key. They are usually used in situations where access needs to be restricted to the switch's functions.

Key switches are available as components with solder connections, and are available with a variety of ampere ratings. They may use tubular or other specially-shaped keys for extra security.

Key switches have been used for a variety of purposes, up to and including the launch of nuclear missiles.

In less secure applications such as corridor and restroom lighting controls in public buildings, tamper-resistant switches with a simpler key mechanism may be used instead.

References

Podcasts:

PLAYLIST TIME:

Chop Suey

by: Casey Shea

wake up
(wake up)
grab a brush and put on a little make up
hide the scars to fade away the shakeup
(hide the scars to fade away the shakeup)
why'd you leave the keys up on the table
here you go create another fable
you wanted to
grab a brush and put on a little makeup
you wanted to
hide the scars to fade away the shakeup
you wanted to
why'd you leave the keys up on the table
you wanted to
why i dont think you trust in my self righteous suicide
i cry when angels deserve to die
wake up
(wake up)
grab a brush and put on a little make up
hide the scars to fade away the shakeup
(hide the scars to fade away the shakeup)
why'd you leave the keys up on the table
here you go create another fable
you wanted to
grab a brush and put on a little makeup
you wanted to
hide the scars to fade away the shakeup
you wanted to
why'd you leave the keys up on the table
you wanted to
why i dont think you trust in my self righteous suicide
i cry when angels deserve to die
in my self righteous suicide
i cry when angels deserve to die
Cry no more
cry no more
cry no more
cry no more
Father, into your hands ,i commend my spirit
Father, into your hands ,why have you forsaken me
in your eyes forsaken me
in your thoughts forsaken me
in your heart forsaken me ohh
trust in my self righteous suicide
i cry when angels deserve to die
in my self righteous suicide




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