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What's the piece that's supposed to fail first (and prevent damage) called? (self.nostupidquestions)

submitted 2 years ago by darthskull to c/nostupidquestions

19 comments fedilink hide all child comments

The little metal pegs on a snow blower or a fuse in a circuit are examples I can think of.

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[–] [email protected] 7 points 2 years ago (3 children)

Another example would be a sacrificial piece of metal that will attract the corrosion over that of the metal of a boats prop under the waterline

[–] ramjambamalam 19 points 2 years ago (1 children)

Sacrificial anode

[–] [email protected] 2 points 2 years ago

Usually zinc

[–] corsicanguppy 1 points 2 years ago

Old beetles had some zinc under the bonnet for that, I think.

[–] [email protected] 1 points 2 years ago

I've seen it on residential gas lines too.