Steel City 482-NEC Pre-Galvanized Steel Square Box Surface Cover with One GFI Device and One Duplex Device [並行輸入品]

商品説明

The Steel City 482-NEC is a 4-Inch pre-galvanized steel square box surface cover. This cover is raised 1/8-Inch and is to used when you are installing one GFI device and one duplex device. The ground fault interrupter(GFI) is an electrical wiring device that disconnects a circuit whenever it detects that the electric current is not balanced between the energized conductor and the return neutral conductor. When installing an outlet box it is required by code to close the box with a cover, so that the wires are not exposed. This cover comes individually packaged with all the necessary screws for mounting. Steel City is the industries leading product line of metallic switch and outlet boxes used in electrical construction. Since 1904, its products have represented the highest quality standards in manufacturing and innovative design, with one of the most complete offerings available.