Common for household outlets, appliances, and automotive wiring.
When you see the label "99.9% Pure Copper" (often referred to as C11000 ETP copper), you are looking at a gold standard in conductivity. Here is why it beats out cheaper alternatives like Copper Clad Aluminum (CCA): buy pure copper wire
Best for dead-soft or half-hard wire intended for artistic use. Pure copper is incredibly ductile
Pure copper is incredibly ductile. It can be bent, twisted, and pulled without becoming brittle or snapping, making it ideal for intricate wiring or craft work. Price is often the first giveaway
Thick wire used for heavy-duty power applications.
Price is often the first giveaway. If the deal seems too good to be true, it might be Copper Clad Aluminum (CCA). CCA is an aluminum core with a thin skin of copper. While lighter and cheaper, it has higher resistance and is prone to breaking.
The thickness of the wire, measured in American Wire Gauge (AWG), is the most critical technical spec.