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VoilaVoilaWashington t1_j5vaa02 wrote

Reply to comment by ArchitectOfFate in Why does hot air cool? by AspGuy25

> The tape itself has NEC standards

Which is probably not true of random black tape people buy at the dollar store.

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ArchitectOfFate t1_j5vfsry wrote

Exactly. I didn’t want to accuse OP of buying cheap tape, but proper electrical tape will be clearly labeled as electrical or electrician’s tape, will have the NEC standard on it, and costs $3-$5 a roll unless you’re buying in bulk.

And even then the minimum is 170 degrees. 3M and a couple other companies certify their vinyl tapes above that, but one that’s barely compliant could still get hot enough in a hot car for the glue to start to soften.

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