Copper Purity in Cable Conductors: Grades, Risks and How to Verify Them

Copper Purity in Cable Conductors: Grades, Risks and How to Verify Them Quick Answer: Cable conductors use electrolytic tough pitch copper at about 99.9 percent purity — the buyer’s defense is the resistance test per length and batch reports keyed to the drums shipped. Two cables can look identical on a drum, weigh the same […]