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4" Square Conduit Boxes   4" Square Boxes 1-1/2" Deep   4" Square Boxes 1-1/4" Deep   4" Square Boxes 2-1/8" Deep   4" Square Boxes 3-1/2" Deep   4" Square Bracket Boxes 1-1/2" Deep   4" Square Bracket Boxes 2-1/8" Deep   4" Square Extension Rings 1-1/2" Deep   4" Square Extension Rings 2-1/8" Deep 4" Square Flat Covers   4" Square Garvin Covers   4" Square Mud Rings 1 Gang   4" Square Mud Rings 2 Gang   4" Square Offset Mud Ring   4" Square Tile Covers 1 Gang   4" Square Tile Covers 2 Gang   4" Square to Round Device Rings   4" Swivel & Kwik-Hang Fixture Covers   Wire Protector Pans 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 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   4" Square Conduit Boxes : 4" Square Flat Covers     PAGE: 1 of 1 6 Style(s) Available  4" Square Electrical Box Cover Flat BLANK 4" Square Electrical Box Cover Flat BLANK is used to close off an electrical box that is in use. Angled mounting “ears” or slots allow for up to 12° of box misalignment. Cover Size: 4” Material: Steel 4" Square Flat Electrical Box Cover w/ 1/2" Knockout 4" Square Flat Electrical Box Cover w/ 1/2" Knockout is used to close off an electrical box that is in use. Angled mounting “ears” or slots allow for up to 12° of box misalignment. Cover Size: 4” Knockouts: (1) 1/2” Material: Steel 4" Square Flat Electrical Box Cover BLANK PLENUM w/ Gasket 4" Square Flat Electrical Box Cover Blank Plenum w/ Gasket is used to close off an electrical box that is in use. Angled mounting “ears” or slots allow for up to 12° of box misalignment. Cover Size: 4” Flat Blank Gasket for Vapor Seal Material: Steel 4" Square Flat Electrical Box Cover w/ 1/2" Knockout PLENUM 4" Square Flat Electrical Box Cover w/ 1/2" Knockout PLENUM is used to close off an electrical box that is in use. Angled mounting “ears” or slots allow for up to 12° of box misalignment. Cover Size: 4” Flat with 1/2" Knockout for Vapor Seal Material: Steel 4" Square Flat Electrical Box Cover w/ Ring Double Gasket PLENUM 4" Square Flat Electrical Box Cover w/ Ring Double Gasket PLENUM is used to close off an electrical box that is in use. Angled mounting “ears” or slots allow for up to 12° of box misalignment. Cover Size: 4” Flat Ring Double Gasket for Vapor Seal Material: Steel 4" Square Flat Electrical Box Cover for Ballast Mounting 4" Square Flat Electrical Box Cover for Ballast Mounting is used to close off an electrical box that is in use. Angled mounting “ears” or slots allow for up to 12° of box misalignment. Cover Size: 4” For Mounting of Ballast Material: Steel   PAGE: 1 of 1 6 Style(s) Available