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You are welcome.
I believe it's heat shrink tubing that you are looking for...It has a lot of good uses and lasts better than electrical tape.
I generally leave the cans be if they are cool, there is no hum, and there are none in any CKTs that I've found issues in...When in doubt change them out, or if you have an eye type cap checker test them for capacitance and leakage at or near rated voltage. They are at that age where if they are still good they could last another 30 years or go bang the next time you run it...I'm cheap so I wait until there is reason to replace.
Last edited by Electronic M; 12-26-2014 at 12:37 AM.
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