Back Box Enclosures For * Pin & Sleeve * Watertight Safety-ShroudTM Twist-Lock(R) Hubbell manufactures an extensive line of back boxes. Each back box is designed to give the user the maximum amount of wiring capacity to achieve grounding to metallic conduit. The back boxes are available in nonmetallic and cast metal. The nonmetallic back box is made of a high grade engineered thermoplastic, which resists chemicals, abuse and UV sun rays. The box has an integral Features grounding plate and is Type 4X (hose directed water, corrosion resistant) when installed with a watertight conduit hub. The metal back boxes are made of cast aluminum and finished with an enamel paint. They will withstand a 500-hour salt spray as well as UL raintight and external icing tests. You can depend on both back box enclosures in hostile and abusive environments. Benefits Nonmetallic * Type 4X (hose directed water, corrosion resistant) * Provides protection in wet and abuse environments. * Internal ground plate * Allows nonmetallic box to be used with metallic conduit achieving grounding. * 15 angle for receptacle * Help prevent strain on heavy cord exiting plug. Metallic * Epoxy coated cast aluminum * Chemical and abuse resistant. * Integral threaded hub * Allows for quick installation and immediate grounding. * 15 angle for receptacle * Help prevent strain on heavy cord exiting plug. Wiring Device-Kellems Ordering Information Back Boxes Hubbell manufactures an extensive line of back boxes, each designed to give the user the maximum amount of wiring room while assuring grounding to metallic conduit. Hubbell back boxes are available in nonmetallic as well as metallic and accept both the Pin and Sleeve and Watertight Safety ShroudTM Twist-Lock(R) product lines. You can depend on Hubbell back box enclosures to perform reliably-- even in hostile environments. BB2030N NEW Nonmetallic Back Box This Hubbell back box is made of a high grade engineered thermoplastic that meets IP67 requirements. It resists chemicals, abuse and UV rays. What's more, this box has an integral grounding plate and, when installed with a watertight conduit hub, it meets Type 4X requirements (hose-directed water, corrosion resistance). Description Hub Size A Inch Inch (mm) (mm) C Inch (mm) D Inch (mm) E Inch (mm) F Inch (mm) Cubic Inch Capacity Catalog Number 5.67 (144.0) 4.44 (112.8) 4.05 (102.9) 3.91 (99.3) 2.35 (59.7) 4.92 (125.0) 30 BB2030N 7.76 (197.0) 11 2*** 8.21 (209.0) 5.16 (131.0) 6.23 (158.0) 5.87 (149.0) 6.31 (160.3) 4.72 (120.0) 5.71 (145.0) 2.99 (76.0) 3.99 (101.0) 6.94 (176.0) 7.41 (188.0) 70 BB60N 120 BB100N Back box for 1* 20 & 30A devices. Back box for 60A devices. Back box for 100A devices. E B Inch (mm) 11 4** F A C 15 D B * Hub is not included; order one of the following Raco part numbers: * 1" = 1704, ** 1 1/4 = 1705, *** 1 1/2 = 1706 Metallic Back Box These boxes are made of cast aluminum, suitable for IP54 requirements, and are finished with enamel paint. These boxes withstand a 500-hour salt spray test as well as UL raintight and external icing tests. A Inch (mm) B Inch (mm) C Inch (mm) D Inch (mm) E Inch (mm) F Inch (mm) Back box for .75 20& 30A devices. (19.1) 5.12 (130.2) 4.00 (101.6) 4.19 (106.4) 3.75 (95.3) 3.00 (76.2) 4.00 (101.6) 30 BB201W Back box for 1.00 20& 30A devices. (25.4) 5.12 (130.2) 4.00 (101.6) 4.19 (106.4) 3.75 (95.3) 3.00 (76.2) 4.00 (101.6) 30 BB301W Back box for 60A devices. 1.25 (31.8) 7.25 (184.2) 5.25 (133.4) 6.00 (152.4) 4.50 (114.3) 3.75 (95.3) 6.19 (157.2) 80 BB601W Back box for 60A devices. 1.50 (38.1) 7.25 (184.2) 5.25 (133.4) 6.00 (152.4) 4.50 (114.3) 3.75 (95.3) 6.19 (157.2) 80 Back box for 100A devices. 1.50 (38.1) 8.12 (206.4) 6.75 (171.5) 6.88 (174.6) 5.50 (139.7) 4.75 6.94 (120.7) (176.2) 130 BB1001W Back box for 100A devices. Feed thru for 20 and 30A devices. Feed thru for 20 and 30A devices. Four way for 60 and 100A devices. 2.00 (50.8) .75 (19.1) 1.00 (25.4) 1.50 (38.1) 8.12 (206.4) 8.25 (209.6) 8.25 (209.6) 8.75 (222.3) 6.75 (171.5) 3.06 (77.8) 3.06 (77.8) 9.75 (247.7) 6.88 (174.6) 7.14 (181.4) 7.14 (181.4) 7.75 (196.9) 5.50 (139.7) 4.50 (114.3) 4.50 (114.3) 6.75 (171.5) 4.75 6.94 (120.7) (176.2) 3.75 (95.3) -- 3..75 (95.3) -- 6.00 (152.4) -- 130 BB1002W Description Hub Size Inch (mm) E A C Cubic Inch Catalog Capacity Number F 15 B D Angle Box D E B 48 CU. IN. A 3.13" C (79.5) BB602W Feed-Thru Box 48 FT202W 78 FT302W 210 FW60100 D E B A C 15 Four-Way Box Wiring Device - Kellems Hubbell Incorporated (Delaware) * 185 Plains Road * Milford, CT 06460-2420 * (203) 882-4800 * FAX (800) 255-1031 World Wide Web URL: http://www.hubbell-wiring.com (R) Registered TM trademark of Hubbell Incorporated Trademark of Hubbell Incorporated H4494 Printed in U.S.A. Copyright 1995, Hubbell Incorporated Specifications Subject To Change Without Notice.