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Condulet GUA and GUR Series Explosionproof Conduit Outlet Boxes

Crouse-Hinds series GUA and GUR explosionproof conduit outlet boxes are installed in conduit systems in hazardous areas to protect conductors in threaded rigid conduit, act as pull and splice boxes, change conduit direction, and provide access to conductors for maintenance and future system changes.  GUA and GUR outlet boxes are certified for Class I, Division 1, Groups B, C, D and Class II, Division 1, Groups E, F, G.  

GUA boxes are available in ten different hub arrangements, maximizing flexibility in the conduit system.  They are available in Feraloy iron alloy (1/2" to 2"), copper-free aluminum (1/2" to 2") or stainless steel (3/4" and 1") construction.  

GUR boxes feature a compact, universal design for confined spaces with five standard hubs and three pipe plugs included.  

GUA and GUR explosionproof conduit outlet bodies

Certifications and compliances


  • Class I, Divisions 1 & 2, Groups B, C, D (GUA iron and aluminum)
  • Class I, Divisions 1 & 2, Groups C, D (GUA stainless steel and GUR models)
  • Class II, Division 1, Groups E, F, G
  • Class II, Division 2, Groups F, G
  • Class III
  • Zones 1 & 2 (GUR models only)

UL standard:

  • UL1203

ANSI standard:

  • C33.27

CSA standard:

  • C22.2 No. 30

Environmental ratings:

  • NEMA/EEMAC 3, 4 (GUA iron and aluminum)
  • NEMA/EEMAC 3, 4X (GUA stainless steel)
  • NEMA 4 (GUR) 



Design features

  • Neoprene o-ring standard to meet NEMA 4 requirements (4X on stainless steel models)
  • Cast ears on cover to permit easy removal and tightening
  • Internal green ground screw
  • Threaded cover openings
  • Ten different hub arrangements
  • Taper threaded hubs to provide grounding continuity
  • Smooth integral hub bushing protects conductor insulation when pulling
  • Surface covers furnished with boxes
  • Cover threads are 12 pitch standard; 16 pitch on select aluminum shapes and sizes
  • Sealing covers, dome covers and fixture hanger covers are available
  • GUR models feature compact design for confined spaces and recesses in cover to assist in cover tightening and removal

Standard materials

  • Bodies – Feraloy iron alloy (standard); copper-free aluminum (optional); 316 stainless steel (optional)
  • Covers – copper-free aluminum (standard); Feraloy iron alloy (optional); 316 stainless steel (optional)
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