Appleton 78534 Liquidtight Strain Relief Cord and Cable Connector 1/2" Hubs Cable Range 0.625"-0.750" provides a liquidtight and strain relief termination for flexible type neoprene, hypalon, and PVC jacketed power or control cord and cable. They are for use in wet or dry locations sealing electrical connections against dust and dirt, oil, water or other atmosphere containing moisture.