The Square D X Series Extra Duty While-in-use Covers are ideal for outdoor applications. These transparent non-metallic covers are available in vertical configuration and are compatible with only decorator receptacles. Made from high-impact resistant, matte, non-glossy, easy to clean thermoplastic face for attractive long-lasting operation. They are ideal for use with lawn equipment, pools, hot tubs, landscape lighting, outdoor entertainment systems and other outdoor electrical applications. This cover frame has a width of 134 mm, a height of 167 mm, and a depth of 68 mm. By satisfying the UL 514D standard, this cover plate is cULus certified.