Guides
Wire is where most scrappers make their copper money — and where the most value gets left on the table. Learn to identify every common cable type, what percentage of copper is inside, and when to strip versus sell as-is. Every guide here pairs with the Wire Yield calculator.
Stripping wire isn't hard — stripping it fast enough to be worth your time is the skill. Here's every method from utility knife to machine, real speed numbers, and the one thing you should never do.
How much copper is actually inside each kind of cable — a sourced, conservative table you can trust, plus a calculator to run your own weights and prices against it.
Not all wire is created equal. Learn to identify every common cable on sight — from fat THHN to hair-thin Christmas lights — and know its copper value before you weigh it.
Run the numbers before you pay — weight, composition, asking price.