(4) PCS Odyssey 10A MC4 Solar PV In-Line Fuse Holder Waterproof w/ Fuse 10 Amp Compatible with MC4 Connectors Designed for wide range of DC Applications - Simple Plug & Play UL Listed Galaxy 10A 1000V DC Fuse (replaceable) All Weather Waterproof - IP67 Class Protection (4) PCS Odyssey 10A MC4 Solar PV In-Line Fuse Holder Waterproof w/ Fuse 10 Amp