Yes. And I remember a time when an intern hit the orange, end-of-the-world button in a TX data center. (not only does it dump the halon, but it blows the "fusable links" to the room -- one inch bars of copper.) Our's were MUCH harder to hit -- the covers were held on by industrial velcro.
(The only other links I've seen "blow" were due to a dropped screw driver.)
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