J J-2 Conduit Outlet Boxes and Bodies: Malleable Iron or Aluminum; Explosionproof, Dust-Ignitionproof ® UNILETS for use with Threaded Metal Conduit. Applications Meet a wide range of classified area • requirements. Corrosion-resistant–ideal indoors or out. • For pulling of wires. • Connect conduit lengths and change • direction of conduit. Provide access for maintenance. • Features: All Bodies and Boxes Malleable iron bodies have high • tensile strength and ductility. Provides great resistance to corrosion, impact, and shock. Accurately tapped, tapered hub • threads for tight, rigid joints and ground continuity. Furnished with covers. • General purpose wiring. • Features: GR and GRF ➊GR offers ten hub arrangements. ➋GRF has integral mounting flange. Function as sealing fittings when • used with sealing covers (see NEC for restrictions). Internally threaded body with • externally threaded cover. Covers have pry notches for bar or • wrench. Accommodate sealing, dome, hub • and union hub covers, and canopies. Standard O-rings provide raintight fit. • NEMA 3,4. Internal ground screw standard. • Smooth, rounded integral bushing in • each hub type box protects conductor insulation. Features: GRH ➌Designed for use in Class I, Groups A, B, C, and D; Class II, Groups E, F, and G; and Class III. Internally threaded body with • externally threaded covers. Standard O-rings provide raintight fit. • NEMA 3,4. Internal ground screw standard. • Smooth, rounded integral bushing in • each hub type box protects conductor insulation. 14 GU Features: ELBD ➍Exclusive built-in pulling rollers in each end (2-1/2 thru 4” sizes) protect 13 GRSS cable from damage and make cable pulling easier. Effective September, 2005 800-621-1506 Copyright 2005 www.appletonelec.com PAGE 2 J J-3 Conduit Outlet Boxes and Bodies: Malleable Iron or Aluminum; Explosionproof, Dust-Ignitionproof ® UNILETS for use with Threaded Metal Conduit. Features: GRSS and GRSSA Excellent for use in wiring of motors, Function as sealing fittings when • • panelboards, circuit breakers, entrances used with sealing covers (see NEC for 13 Multiple hubs permit flexibility. • to buildings, etc. restrictions). Copper-free aluminum body and • Internally threaded body with Body and cover have ground mat- • • cover provide superior corrosion externally threaded cover. ing surfaces to meet classified-location resistance. requirements. Smooth, rounded integral bushing in • Internal ground screw standard. • each hub type box protects conductor Smooth, rounded integral bushing in • Features: GU insulation. each hub type box protects conductor 14 Designed for Class I, Groups B,C,D; insulation. • Features: GRJ Class II, Groups E,F,G; and Class III. Features: ELBY Small, round conduit outlet boxes. Externally threaded body with • Serve as pulling fittings. • internally threaded cover. Function as sealing fittings when • Make 90° bends in conduit. used with sealing covers (see NEC for • Smooth, rounded integral bushing in • restrictions). Threaded cover opening permits easy each hub type box protects conductor • access for pulling conductors thru hubs. Externally threaded body with inter- insulation. • nally threaded cover. Easily removable threaded cover. Internal ground screw standard. • • Smooth, rounded integral bushing in • Features: CPU Standard Materials each hub type box protects conductor GR, GRF, GRH, and GRJS: Universal design with four threaded • insulation. universal hubs and three close-up Malleable iron bodies with aluminum Features: ER covers. plugs. Serve as mounting outlets for lighting Compact, rectangular conduit outlet Aluminum GR Series: Copper-free • • fixtures when used with hub cover. boxes are ideal in classified locations body and cover. where space is limited. Wide, accurately ground explosion- GU, GRUO, GRUJ, GRU (Union), • • Six different hub arrangements. proof mating surfaces. GRJ, CPU, ER, ELBD and ELBY: • Ground surface contact between body Malleable iron bodies and covers. Smooth, rounded integral bushing in • • and cover assures a flame-tight joint. each hub type box protects conductor GRU, GRUE, and GRSS: Aluminum • insulation. Smooth, rounded integral bushing in copper-free bodies and covers. • each hub type box protects conductor GRG O-Rings: Neoprene. • Features: GRU and GRUE insulation. Universal design with five threaded Standard Finishes Features: GRUO and GRUJ universal hubs and three close-up M a l l e a b l e i r o n b o d i e s a n d • plugs. Threaded universal hubs for wiring • covers (except ELBY) triple-coat— flexibility. Copper-free aluminum body and (1)zinc electroplate, (2) dichromate, and • cover provide resistance to corrosive (3) epoxy powder coat. GRUO has eight hubs. atmospheres. Aluminum bodies and covers: epoxy GRUJ offers up to eleven hubs. • Function as sealing fittings when powder coat. • Ideally suited for use where space is • used with sealing covers (see NEC for ELBY malleable iron body and cover: • limited, such as for gasoline pumps. restrictions). zinc electroplate and clear chromate. Function as sealing fittings when • GRU has internally threaded body • Options used with sealing cover (see NEC for and externally threaded cover. GRUE restrictions). PVC available—consult factory. has externally threaded body and • Externally threaded body with inter- internally threaded overlapping cover. • Compliances nally threaded covers. O-Rings provide raintight fit. Standard • UL Standard 886. • Smooth, rounded integral bushing in NEMA 3,4. • Federal Spec. W-C-586B. each hub type box protects conductor • Covers have pry notches for bar or • Appleton malleable iron products insulation. • wrench. conform to ASTM A47-77, Grade Smooth, rounded integral bushing in Features: GRU (Union Hubs) • 32510, which has the following proper- each hub type box protects conductor Union hubs permit easy wiring. ties: tensile strength, 50,000 psi; yield, insulation. 32,000 psi; and elongation, 10%. Function as sealing fittings when • Features: GRJS Appleton aluminum products are used with sealing covers (see NEC for • produced from a high strength copper- restrictions). Universal design with five threaded free (4/10 of 1% max.) alloy. openings and three close-up plugs. Externally threaded body with inter- • Suitable for Class I, Div. 1 & 2, if Compact round box for use where nally threaded cover. • • installed in compliance with NEC 501- space is limited. Smooth, rounded integral bushing in • 4(a)(b) and for Class II, Div. 1 & 2, if in Serve as mounting means for lighting each hub type box protects conductor • compliance with NEC 502-4(a)(b). insulation. fixtures when used with hub cover. GR Series: CSA -LR25875-30. • Effective September, 2005 800-621-1506 Copyright 2005 www.appletonelec.com PAGE 3 J J-14 Class I, Div. 1 and 2 GRJ Conduit Outlet Boxes: Malleable Iron; Groups C,D Class II, Div. 1 and 2 Explosionproof, Dust-Ignitionproof Groups E,F,G ® UNILETS for use with Threaded Metal Conduit. Class III Furnished with Internal Ground Screw. Box Conduit Cover Catalog Number Type Size (Inches) Opening (Inches) Malleable Iron GRJC 1/2 2.13 GRJC50 3/4 2.13 GRJC75 GRJCA 1/2 2.13 GRJCA50 3/4 2.13 GRJCA75 GRJEA 1/2 2.13 GRJEA50 3/4 2.13 GRJEA75 GRJL 1/2 2.13 GRJL50 3/4 2.13 GRJL75 GRJT 1/2 2.13 GRJT50 3/4 2.13 GRJT75 GRJTA 1/2 2.13 GRJTA50 3/4 2.13 GRJTA75 GRJX 1/2 2.13 GRJX50 3/4 2.13 GRJX75 GRJ Covers Surface 2.13 GRJK-S For cubic inches information, see page J-19 GRJ Dimensions in Inches and Centimeters Effective September, 2005 800-621-1506 Copyright 2005 www.appletonelec.com PAGE 14 J J J-19 Wiring Capacity: Explosionproof Conduit Outlet Boxes Volume in Cubic Inches and Cubic Centimeters Wiring Capacity Type Size Vol./cu. in. Vol./cu. cm CPU Form 20 21.0 344.1 ER 1/2” 4.8 78.7 ER 3/4” 7.3 119.3 GR Form 1 18.0 295.0 GR Form 2 31.0 508.0 GR Form 3 (1-1/2”) 72.0 1179.9 Form 3 (2”) 76.0 1245.4 GRF All 18.0 295.0 GRH All 13.8 226.2 GRJ All 7.3 119.3 GRJS All 12.5 204.8 GRK (Canopy)- -50C, -75C, -100C 16.0 262.2 GRK (Dome) 1DC 6.0 98.3 GRU (Union Hubs) 1/2”, 3/4” 19.0 311.4 GRU (Universal) 1/2”, 3/4” 13.5 221.2 1” 17.5 286.8 GRUE 1/2”, 3/4” 15.3 250.7 1” 18.5 303.2 GRUJ All 25.0 409.7 GRUO All 25.0 409.7 GRSS All 29.0 475.2 GRSSA All 29.0 475.2 GU All 19.0 311.4 ELBD 90° Pulling Unilets Size 1/2 3/4 1 1-1/4 1-1/2 2 2-1/2 3 3-1/2 4 Capacity in Cubic Inches ELBD 7.0 7.0 25.0 25.0 69.0 69.0 240.0 240.0 540.0 540.0 Capacity in Cubic Centimeters ELBD 114.7 114.7 409.7 409.7 1130.7 1130.7 3932.9 3932.9 8849.0 8849.0 ELBD GU GRSS Effective September, 2005 800-621-1506 Copyright 2005 www.appletonelec.com PAGE 19