Junction Box Outdoor 2 Way Waterproof IP68 Electrical Cable Connector ,M16 Wire Range(3.5-10mm),Suitable for Repair and Extend Power Cables,UL(5 Pack) - - Amazon.com
DSHS-R100 Bypass Framing Drift Strut Connector Clip (Box of 100pcs)
GRI-8979 Water Resistant Armored Cable Electrical Junction Box Connector
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