Your Supermart MC4 In-line Fuse Holder 1000 VDC Male to Fem PV Solar Fuse Connector 30A 100% Brand new and high quality; Compatible with MC4 Connectors Designed for wide range of DC Applications - Simple Plug & Play All Weather Waterproof MC4 Solar PV In-Line Fuse Holder Waterproof w/ Fuse 20 Amp