Cooper Crouse-Hinds Luminaire Hanger Fixture Fitting for Pendant Mount. Features Specs: 1 Hub Luminaire Stem Size: 3/4 EAHC Luminaire Hangers are for use in hazardous areas to: Suspend explosionproof pendant luminaires from the conduit system Function as both conduit outlet box and luminaire hanger Through-feed hubs are provided for threading the conduit directly into the hanger body Has large threaded cover for accessibility and ease of wiring Bottom hub, threaded or union style, is equipped with set-screws to securely lock luminaire stem in place; takes conduit stem or EC flexible luminaire hanger for stems longer than 12 (incompliance with NEC Article 501 and CEC Part I Section 18)