PIP IP67 & NEMA 4X Rated Enclosures Bud Industries PIP Series IP67 and NEMA 4X Rated Enclosures provide waterproof protection of electronics and are made from polycarbonate plastic enhanced with 10% fiberglass. This offers improved rigidity and tighter tolerances. Bud Industries PIP series gives a tight, reliable seal and components will fit precisely without the need for time-consuming rework. A clear polycarbonate lid allows inspection without opening the box and indication without adding cutouts.