Intermatic WP1010C 1 Gang Vertical 3-1/8-Inch Outdoor in use Box Cover, Clear Single-gang Vertical with (WP17) Flexi-Guard Inserts, 3-1/8-Inch Depth, Clear Cover Complies with 2008 NEC Article 406.8(B) Patented inserts offer more configurations and cover more jobs Heavy-duty polycarbonate construction cover Meets requirements for cold impact testing at -60 Degree Fahrenheit (-51 Degree Celsius)