✅ MAKERELE Plastic Waterproof Adjustable NPT Cable Connectors Kit Cable Glands Nylon Joints With Gaskets: See expert answer to “What cable diameter range is supported?” →¼″ (4-8 mm), ⅜″ (5-10 mm), ½″ (6-12 mm), ¾″ (10-18 mm) and 1″ (17-24 mm).