It’s ten years.
The cable PV1-F solar photovoltaic cable has a ten-year national standard inspection and quality guarantee. It is a low-smoke, halogen-free, irradiated cross-linked polyolefin insulated photovoltaic special material for electrical installation of indoor and outdoor solar equipment.
In fact, the so-called photovoltaic cable is an electron beam cross-link cable. When its rated temperature is 120 degrees Celsius, this rating is equivalent to 18 years of use under continuous temperature conditions of 90 degrees Celsius.