About Us    New Product Ideas    Custom Mfg.    Contact	847-455-0188
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 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   Cable Tie Mount   Cable Ties   Cable Ties (Plenum)   Drive Rings   Low Voltage Rings   Mount Brackets   Push-Penny Conduit Protectors   Safety Plates Speaker Enclosures & Truss   Wire Distribution Spools   Wire Protector Pans Distribution Rings Fire Prevention Products J-Hooks Jacks, Face Plates & Bezels Patch Cables Rope, Twine & Pulling Tape   Cable Management: Speaker Enclosures & Truss Ceiling Speaker Enclosure Back Box Ceiling Speaker Enclosure Back Box houses an 8” speaker in a recessed environment. Constructed of galvanized steel, the Ceiling Speaker Enclosure Back Box keeps any speaker dry & free of contaminants in air plenum return ceilings. Ceiling Speaker Enclosure Box attaches to the Ceiling Speaker Support Truss--also available on Electrical-Supply.net--limiting ceiling sag. SE-1 Call 847-455-0188 for details on volume discounts.