GUE and GUB Explosionproof Junction Boxes
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GUE and GUB Explosionproof Junction Boxes

Crouse-Hinds series GUE and GUB explosionproof junction boxes are used in threaded rigid conduit systems in hazardous areas to function as a splice box, pull box or equipment and device enclosure, to house wiring and is used indoors and outdoors.

Certifications and compliances


  • Class I, Divisions 1 & 2, Groups B, C, D
  • Class II, Division 1, Groups E, F, G
  • Class II, Division 2, Groups F, G
  • Class III
  • UL standard: 1203
  • CSA standard: C22.2 No. 30


  • Ex d IIC, IP66, ATEX certified


  • Ex d IIC, IP66
  • ATEX Certificate: PTB 01 ATEX 1019 U

Design features

  • Threaded construction throughout permits use in hazardous areas
  • Bodies have thick walls so they can be factory or field drilled and tapped to meet NEC/CEC requirements for Class I hazardous areas
  • Covers are provided with a neoprene o-ring gasket to meet NEMA/EEMAC 4 requirements for a watertight seal
  • Internal grounding lug provides a means to ground enclosed equipment
  • Boxes are machined for field installed mounting plates
  • GUB boxes are ATEX certified when ordered with suffix SA ATEX (not available for GU and GUE)

Standard materials

  • Bodies – Feraloy iron alloy
  • Covers – copper-free aluminum