KorKap PVC-coated galvanized rigid conduit and fittings provide unequaled corrosion protection. Manufactured in the U.S.A., ISO 9001-certified KorKap complies with all standards mandated by UL6, NEMA RN-1 and ANSI C80.1. Plus --- KorKap is ETL-Verified for product performance and reliable longevity ten or more times longer than brands that are not ETL-Verified. Look for the combined ETL/UL label to be sure you are receiving the protection you've paid for!