Even better, DO THE RECOVERY BEFORE YOU SELL IT! I'll explain for those who are unfamiliar.
Wire pricing is generally done by recovery. This is basically the percentage of weight that is copper. MCM is generally 88%, THHN is 78%, CAT 5 is 55%, etc. to determine the recovery, you will need a very accurate scale. I recommend purchasing something from an ammunition reloading supply company, such as midway usa. To do a recovery:
1) cut a small section of the wire that you wish to sell
2) weigh this piece and write down the weight. Any unit of measure is fine, it won't matter.
3) strip the wire, saving all of the copper
4) weigh the copper and write this figure down
5) divide #5 by #2 and multiply by 100. This is the recovery percentage for the wire.
Knowing the recovery of wire before you sell will help any time that you bring in something that is not a "standard" type of wire when you deal with whoever is grading it at the scale.
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