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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
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Sigma ProConnex 1/2-in Rigid / IMC Die Cast Zinc Box Spacer Conduit Fittings in the Conduit Fittings department at Lowes.com
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