20ft WELDING CABLE 3/0 AWG TINNED COPPER Black MARINE GRADE Car Battery Lead NEW

Description

You are bidding on 3/0 Tinned Copper Welding cable. Never used however may show some marks from sitting on shelf.
Why is Copper Tinned?
Using Tinned Copper is an easy and effective way of preventing a copper conductor from tarnishing or becoming oxidized. You probably have seen copper when it is oxidized, it turns green. The Statue of Liberty is a famous example of copper oxidation. What causes this to happen? It is a chemical reaction of the metal surface with the oxygen present in the air that causes some of the metal to corrode, or oxidize, and form the respective metal oxide on the surface.
Did you know that 12-gauge tin coated copper wire can last up to ten times longer than a similar 12-gauge bare copper wire? As tin resists corrosion and doesn’t oxidize the plating helps to protect the copper underneath. This wards off additional wear and tear that would detract years off the life off a bare copper cable. This is especially important where the operating temperatures of the wire exceed 100 degrees Celsius. At higher temperatures, the corrosion resistance of copper declines, making a tin coating valuable for protecting the wire in this state. Tinned copper is also highly desirable for any marine electronics. This is why this is chosen when manufacturing marine wire...
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