[TowerTalk] THHN wire problem

[Jim Lux]

Dennis OConnor wrote:
> The green oxidation is from water intrusion, not from the jacket...
>   It causes no harm for use as a radial...  Keep on transmitting...
>    
>   denny / k8do
> 

Water and some chloride or carbonate salt, perhaps?

Copper Oxide is either black or red (depending on which one), but those 
chlorides, sulfates, carbonates, etc tend to be blue or green.