PTR Hinged ABS Plastic Boxes Bud Industries PTR Hinged ABS Plastic Boxes feature an all-plastic construction and are designed to perform well in indoor conditions. The Bud Industries PTR Boxes provide high impact resistance and are IP67 TUV rated. This RoHS compliant series meets NEMA type 4x and type 6P (not UL certified) and is UL-HB rated. PTR offers a -20°C to +65°C extended exposure temperature range.