https://globalsolarsupply.com/product-category/electrical-distribution-1/

ELECTRICAL DISTRIBUTION EQUIPMENT is the general electrical equipment that you will use to connect various components of your solar electrical system together with. Building Wire, Bare Copper, 6 AWG, 125 Max. Amps, Spool Length 315 ft., Solid, Nominal Outside Dia. 0.162 In., Voltage 600VAC, Insulation Material None, Stranding -, Temp. Rating 167 Degrees F, Standards ASTM.Nominal Outside Dia.: 0.162?     Compatible with PV cables with different insulation diameters.    Designed for a wide range of DC applications.    Auto-lock equipment of male and female points render connections easy and reliable.    Waterproof – IP67 Class Protection and high current-carrying capacity.    15 Amp DC Fuse?Rated at 1000VDC    MC-4 compatible    Easy installation and service This product is a 15A fuse embedded in a waterproof fuse holder and features MC4 connector cables on each end.Designed to provide complete single circuit protection to your solar array, it utilizes fuses to prevent large currents from damaging the solar panels.