EPI Electrical Enclosures and Engineering’s Bussed Secondary
EPI Electrical Enclosures and Engineering’s NEMA 3R 10-ft.-wide-by-8-ft.-high-by-5-ft.-deep, 10,000A pad-mounted bussed secondary serves large energy users such as malls, schools and office buildings. It has an angle-frame construction with 12-gauge steel sheeting applied, and it is painted inside and out. C-110 silver-plated solid copper is held in place by 600v, 3¾-in. insulators.