BT Series transparent NEMA-rated enclosures allows users to see inside the box from every direction to inspect for moisture and read indicators without opening the seal. They are made of a transparent plastic with a distinctive tint and meet NEMA 1, 2, 4, 4X, 12 and 13 IEC52/IP65 and UL508-4X specifications. Suitable for wet, dry and corrosive environments, the boxes are suited for PCB enclosures, junction boxes, instrumentation and other applications that require monitoring of internal components. Enclosures are available in seven sizes ranging from 4.53 in. x 3.54 in. x 2.17 in. to 11.81 in. x 9.06 in. x 3.39 in. Wall mounting holes and covers attaching screws are outside the sealing area.