About Us    New Product Ideas    Custom Mfg.    Contact	866-770-4693
4" Square Conduit Boxes 4-11/16" Conduit Boxes Conduit Body Electrical Boxes & Covers Handy Boxes Electrical Boxes & Covers Masonry Electrical Boxes & Covers Multi-Gang Electrical Boxes & Covers Octagon & Round   3-1/2" Octagon Boxes & Covers   4" Octagon & Round Box Covers   4" Octagon Boxes 1-1/2" Deep   4" Octagon Boxes 2-1/8" Deep   4" Octagon Ceiling Fan Boxes   4" Octagon Extension Rings 1-1/2" Deep 4" Octagon Plenum Boxes & Covers   4" Octagon Swivel Fixture Hangers   5" Round Ceiling Blanks   Adjustable Bar Hangers   Concrete Box Plates   Kwik Hang swivel Fixture Hangers   Octagon Concrete Rings   Round Ceiling Plates & Fan Boxes Electrical Boxes & Covers Stainless Steel Electrical Boxes & Covers Switch Boxes Electrical Boxes Plastic Fasteners, Hangers & Clamps Fire Alarm / Emergency Boxes & Covers Fittings, Hubs & Bushings Fixture Whips & Grips GFCI--Ground Fault Circuit Interrupters Grounding Products Lighting & Lamps & CFL Bulbs Service Entrance Products Switches, Devices & Receptacles Tools & Install Accessories Wall Plates Weatherproof Boxes & Covers Aerial Drop Wire Hardware Beam Clamps Bridle Rings Bulk Wire & Cable Cable Management Distribution Rings Fire Prevention Products J-Hooks Jacks, Face Plates & Bezels Patch Cables Rope, Twine & Pulling Tape   Electrical Boxes & Covers Octagon & Round: 4" Octagon Plenum Boxes & Covers 4" Octagon, 1/2" & 3/4" "Chicago Plenum" Knockouts, Electrical Box: 2-1/8" Depth This octagon box is plenum rated and vapor tight and is installed in the plenum space of a ceiling for light fixtures. Depth: 1-1/2” Knockout Sides: (2) 1/2” & (1) 3/4" Knockout Bottom: (3) 1/2” & (2) 3/4 Material: Steel . Call for volume discounts. 54171-SVT Call 866-770-4693 for details on volume discounts.