FeaturesMade from PVC or PPO thermoplastic molding compound and featuring foam-in-place gasket lids attached with stainless steel screwsIt provide a degree of protection against contact with enclosed equipment, falling dirt, hose-directed water, entry of water during prolonged submersion at a limited depth and external ice formationThe first Non-metallic junction boxes are UL listed with a NEMA 6P rating per Section 314.28 of the national electrical code