Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 15mm Outdoor External Electric Power Cord Boxes (Black) - Amazon.com
IP65 Waterproof Cable Junction Box 80*130*70mm with UK2.5B Din Rail Terminal Blocks Set - AliExpress
Wet Location Junction Box with 6 IN Power Cable by PureEdge Lighting | SS-2RE-JBOX-CFX-6IN-W | EDG895376
Indoor/Outdoor 3 Wire Junction Box With Connector (215JUNCTION-S) - Action Lighting™, Inc.
IP65 Waterproof Cable Junction Box 250*150*100mm with UK2.5B Din Rail Terminal Blocks Set 12 Ways - AliExpress
IP66 Waterproof Junction Boxes, 3 Way Cable Connector with Terminals Strip, Screw and PG9 Waterproof Vonnector for Indoor and Outdoor 4-8 mm Cables (White) - Walmart.com