Rittal"s KL series NEMA rated junction boxes offer perfect protection against harsh environments for delicate electrical and electronic equipment. The knife-edge perimeter of the enclosure prevents entry of dirt and liquids when the enclosure is opened. Constructed of type 304 stainless steel. 18 Gauge 304 stainless steel enclosure and cover. Finish: #4 Brushed. Ratings: IP 66, UL Type 4X. Certifications and approvals: BV 04880_E0_BV, CE 1 247 310, CSA LR 59132, cUL E 86711, GL 69 280 - 90 HH, LR 04 / 20022, MRS 10.04046.250, TUEV B 99 03 12010 114 engl, UL E 86711, VDE 6312 UG.