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insta
Jan 28, 2009

Kazy posted:

Question: How does a tiny drop of that stuff turn into toxic amounts? Is it just super concentrated or does it alter your body chemistry somehow to make more?

It's the bodily equivalent of the same way that a 7 gram lead bullet is dangerous. It's not the mercury, it's how quickly it makes it through the protective layer of your body and into places it shouldn't be, and then it sits there wrecking poo poo because your body can't easily remove it.

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insta
Jan 28, 2009

Three-Phase posted:

I think there was some debate as to whether that was really overheating, or if it was blowtorched to try and get a stuck nut off.

Generally a low-voltage termination shouldn't exceed 60 or 75C. (HV connections generally are made to tolerate much higher temperatures.)

A low-voltage termination shouldn't, unless it's not tightened sufficiently and a small contact-patch heats up raises resistance exponentially until the bolt is glowing red. Same way wire-nuts catch fire.

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