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		Handholes, Splice Boxes, Pull Boxes, Meter Boxes & Valve Boxes   Features & Benefits Underground Enclosures use 20,000 P.S.I. polymer concrete for high strength exceed W.U.C. 3.6 structural requirements are lightweight and easy to handle for lower installed cost are designed for 10,000 pound and 20,000 pound applications come supplied with stainless bolts on all bolt down covers have exceptional resistance to sunlight and chemicals are unaffected by freeze/thaw are non-conductive and do not require grounding for safety can be manufactured in decorative colors are available with special logos have a concrete key on every box are nestable to minimize storage space requirements     Oldcastle distributors maintain an inventory of our boxes. Boxes up to 24" x 36" have one piece covers. Larger boxes have two piece covers. This box has a partition. Boxes are used for electrical splicing.