AVON, Ohio, Sept. 11, 2015 /PRNewswire/ -- Polycase has expanded their NEMA 4X plastic enclosure offering with the addition of 2 new series, the SK and SG Series. The German designed enclosures are weather-resistant, shockproof, and can easily withstand tough industrial environments with an IK 08 impact rating and UL508 Type 4X and 12K listing.read more