IP68 Waterproof Junction Box 2-Way Outdoor Underground Connector Junction Box with 4 Sealing Rubber Rings for Cable Line Protection: Amazon.com: Industrial & Scientific
3Way Junction Box IP68 Waterproof Electrical Junction Box for Ø 5-9mm Cable Range Suitable for Outdoor Billboards,Tunnel Lights,Road Landscape Lights (5-9MM) - - Amazon.com
Upgraded 4 Pack Junction Box Outdoor Waterproof IP68, 3 Pole Wire Connector, External Sleeve Coupler Cable Range 0.16-0.39 Inch (4-10 mm) Black - - Amazon.com
CNBTR Outdoor Underwater IP68 2Way Cable Wire Connector Junction Box with Terminal Black - - Amazon.com
SNTNICTIR Junction Box Waterproof IP68 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 12mm Outdoor External Electric Power Cord Boxes: Amazon.com: Industrial & Scientific
FX Junction Box Waterproof IP68 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 12mm Outdoor External Electric Power Cord Boxes: Amazon.com: Tools & Home Improvement