Underground Enclosure Assembly Style - Underground Enclosure PG Cover Logo Blank Usable Interior Length 24 1/8 in Usable Interior Width 24 1/8 in Usable Interior Height 22 in Overall Length 28 in Overall Width 28 in Overall Height 24 in Cover Bolt Type 2 Stainless Steel Hex Head Bolts 3/8-16 x 2 3/4 UNC Load Rating - Underground Enclosure 8 000 lb