Crouse-Hinds® series Arktite® WSR and WSRD interlocked receptacles with enclosed disconnect switches are used as a service outlet for portable or fixed electrical equipment, such as generators, compressors, welders, etc. They are designed for flush or surface mounting for use in non-hazardous areas where dust, moisture and corrosion may be a problem. A fusible type switch, when used, also provides short circuit protection.