Molded in fiberglass-reinforced polycarbonate, SK Series comes in 12 sizes from 2 x 2 in. to 14 x 10 in. Metric knockouts in base are standard. Suited to protect outdoor applications with IP67 rating for temporary submersion, SG Series comes in 7 sizes from 3 x 3 in. to 11 x 9 in. and is molded from impact resistant and flame-retardant polycarbonate. Clear cover option is available. Both NEMA 4X plastic enclosures carry IK 08 impact rating and UL508 Type 4X and 12K listing.