Copper/CCC/CCA/CCAM Conductor Wire for BVV Cable - China Electric Wire, Wire | Made-in-China.com
Difference between OFC and CCA Wire
Oxygen Free Copper (OFC) vs. Copper Clad Aluminum (CCA) Cables - PASMAG is the Tuner's Source for Modified Car Culture since 1999
Difference between OFC and CCA Wire
CCA power wire over time, this is Sky High in particular, not that it matters. This is one of many reasons to stick with OFC, tinned OFC being even better yet. :
Power Wire: OFC versus CCA
Interesting Video on CCA vs. OFC | DiyMobileAudio.com Car Stereo Forum