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GUP Compact explosionproof junction boxes

Compact in size, Crouse-Hinds series GUP Explosionproof Junction Boxes are used in threaded rigid conduit systems in hazardous areas to function as a junction or pull box.  They are ideal where space is limited such as in gasoline pumps.

Certifications and compliances


  • Class I, Divisions 1 & 2, Groups B, C, D
  • Class I, Zones 1 & 2
  • Class II, Division 1, Groups E, F, G
  • Class II, Division 2, Groups F, G
  • Class III
  • UL1203
  • cUL to CSA standard C22.2 No. 30
  • Enclosure type 3, 3R, 4, 4X, 7BCD, 9EFG


  • II 2 G Ex d IIB + H2, I66

Design features

  • Compact in design - ideal for applications where space is limited
  • Supplied with a variety of hubs for installation flexibility (6 hubs and 3 plugs or 10 hubs and 7 plugs)
  • Cover sealed with standard "O" ring gasket, providing a raintight enclosure

Standard materials

  • Bodies – Feraloy® iron alloy with electrogalvanized and aluminum acrylic paint
  • Covers – copper-free aluminum
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