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GUA Explosionproof Junction Boxes with Union Hubs

Crouse-Hinds series GUA junction boxes with union hubs are used in threaded rigid conduit systems in hazardous areas to allow easy disassembly of conduit system. 

They also function as a junction and pull box for multiple conductors and conduits, and are used indoors or outdoors where space is limited, such as in gasoline pumps.

GUA Explosionproof Junction Boxes with Union Hubs

Certifications and compliances


  • Class I, Divisions 1 & 2, Groups 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

Design features

  • Supplied with union hubs, which makes it a compact assembly
  • Have a variety of hub arrangements
  • Covers are threaded
  • Mounting straps are standard on all boxes

Standard materials

  • Body – Feraloy iron alloy
  • Cover – copper-free aluminum
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