メーカー nVent Hoffman 分類 Boxes Area (L x W) 400in² (2581cm²) Color Gray Container Type Junction Box Design Hinged Door, Lid Features Sealing Gasket, Wall Mount Height 7.992" (203.00mm) Material Metal, Steel Material Flammability Rating - Part Status Active Ratings IP66, NEMA 3,4,12,13, UL-508A Series - Size / Dimension 20.000" L x 20.000" W (508.00mm x 508.00mm) Thickness 16 Gauge