Corrosion on fuses? WHY?

Steverd

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This is the fuse block from my new Pole Position.

Why would there be bluish/green corrosion on the F2 fuse?
What causes that? I see F3 was moved from the block also, I will
assume that the fuse clips were bad? If I replace the fuse holder, would you move the F3 back to the holder or leave it in the line as it is now?

corrosion.jpg

Thanks Guys, you know I will have a TON of PP questions in the near future!
Steve
 
Yes, I was wondering if a mouse pee'd on it!!
You might've saw from my other post that a mouse was living in here!
I'm sure that this was stores in a garage and we do get cold/wet Winters.

mouse.jpg

Steve
 
Components are often copper inside with a silver colored metal coating them.
Copper corrodes blue-greenish (like an old penny, or the statue of liberty).
 
Components are often copper inside with a silver colored metal coating them.
Copper corrodes blue-greenish (like an old penny, or the statue of liberty).

Exactly - It looks like old copper pennies that have corroded. I used to collect coins - reminds me of old Wheat pennies that had this on them.

Steve
 
You'll also get galvanic corrosion from dissimilar metals in contact with one another; just look at any Namco custom IC from a Galaga board.

The less noble metal will corrode, essentially sacrificing itself to the more noble metal (on the periodic table) which is why zinc is used as an anode in your water heater to protect the steel tank. You'll also find zinc anodes on boats, underground storage tanks, pipelines, etc.

The short answer: that's mouse pee.
 
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