Tinned Coppoer Wire: Made with tin-coated pure cooper, the tinned-coated pure cooper cable has good electrical conductivity, compared with bare copper wire, its corrosion resistance and oxidation performance are stronger, also can greatly extend the service life of cables; Using a 10AWG solar extension cable can minimize power loss in your solar panel system Durable Solar Panel Extension Cables: Good dustproof, IP67 waterproof, high temperature resistance and ultraviolet resistance make these 10 gauge wire can be worked in harsh environment HIGH SECURITY: Energeaster solar cable is certified by TÜV and UL; The dual sheath is made with XLPE insulation; which ensures it can work stably from -40℉ to 194℉, while PVC wire can only handle 158℉ at maximum; Energeaster solar cable wire is UV resistant; which makes the cable much better for running in outdoor solar arrays Wide Application: Solar extension cable is moisture; UV and corrosion resistant; Designed for long life and outdoor applications; Our product is suitable for solar power plants; PV connectors and PV junction boxes and can be easily connected to similar connector types supplied with most solar modules Easy to Open & Lock: Each solar extension wire is equipped with male& female connector at the wire ends; which can be locked and opened by a stable self-locking system to connect multiple cables together for longer length; One end is connected to the solar panel; another is connected to the solar charge controller; which makes it easy to operate Tinned Coppoer Wire: Made with tin-coated pure cooper, the tinned-coated pure cooper cable has good electrical conductivity, compared with bare copper wire, its corrosion resistance and oxidation performance are stronger, also can greatly extend the service life of cables; Using a 10AWG solar extension cable can minimize power loss in your solar panel system Durable Solar Panel Extension Cables: Good dustproof, IP67 waterproof, high temperature resistance and ultraviolet resistance make these 10 gauge wire can be worked in harsh environment HIGH SECURITY: Energeaster solar cable is certified by TÜV and UL; The dual sheath is made with XLPE insulation; which ensures it can work stably from -40℉ to 194℉, while PVC wire can only handle 158℉ at maximum; Energeaster solar cable wire is UV resistant; which makes the cable much better for running in outdoor solar arrays Wide Application: Solar extension cable is moisture; UV and corrosion resistant; Designed for long life and outdoor applications; Our product is suitable for solar power plants; PV connectors and PV junction boxes and can be easily connected to similar connector types supplied with most solar modules Easy to Open & Lock: Each solar extension wire is equipped with male& female connector at the wire ends; which can be locked and opened by a stable self-locking system to connect multiple cables together for longer length; One end is connected to the solar panel; another is connected to the solar charge controller; which makes it easy to operate