Photovoltaic cable is highly durable and resistant to extreme environment.
Single core Tinned alloy solar cable, conductor material is 25% copper.
Rated voltage is 1500V, 125℃ low-smoke halogen free flame retardant XLPO.
6mm2 Tinned alloy pv cable is better than 4mm2 tinned copper, Function is same as H1Z2Z2-K, but cheaper.
https://www.sowellsolar.com/tinned-alloy-wire/