... outlet devices.2.Square boxes are used to bring power to a number of electrical devices where multiple ... directions.Field Names: 4S Box, 1900 box, 1900 electrical box, 1900 junction box, conduit box, J-box, ... conduit sizes.4.We also manufacture many junction boxes with preinstalled cable clamps for non metallic cable ... "cut in" applications or new construction. Waterproof 4"Square Junction Box CB896