Underground Enclosure Assembly, Style – Underground Enclosure PG, Cover Logo Traffic Signal, Usable Interior Length 28 1/2 in, Usable Interior Width 15 1/2 in, Usable Interior Height 10 in, Overall Length 32 1/4 in, Overall Width 19 1/4 in, Overall Height 12 in, Cover Bolt Type (2) 3/8-16 x 2 3/4 Stainless Steel Hex Head Bolts, Load Rating – Underground Enclosure 8,000 lb