Hubbell Wiring Device-Kellems HBL5738AIVA Raceway Fittings & Accessories; Accessory Type: Fixture Box ; Overall Length: 5.70 ; Overall Width: 6 ; Overall Height: 1.02in ; For Use With: HBL500 Series Raceways; HBL700 Series Raceways; HBL750 Series Rac