Allied Electronics Corporation offers Waterproof Cable Clamp. Allied Electronics Corporation is an ISO 9001: 2000 certified company. The Waterproof Cable Clamp of model number MS 3057 C comes with mechanical strain relief clamp, providing concentric clamping over a wide range of cable sizes. The metal body of waterproof cable clamp is manufactured from aluminum alloy, cadmium plated and olive. The Waterproof Cable Clamp is available in sizes like 10SL, 14S, 16S, 16, 18, 20, 22, 24, 28, 32, 36 and 40.