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Explosionproof reducers, adapters and plugs

Crouse-Hinds series RE, REA and REC explosionproof reducers are used in rigid/IMC conduit systems to reduce conduit hubs to a smaller size (RE), connect two different sizes of conduit together (REC) or enlarge drilled and tapped openings by one NPT size (REA). PLG explosionproof plugs are used for closing threaded conduit hubs.

Explosionproof reducers, adapters, plugs

Certifications and compliances

NEC and CEC

  • Class I, Divisions 1 & 2, Groups A, B, C, D (see listings for specific catalog numbers suitable for Groups A or B)
  • Class II, Division 1, Groups E, F, G
  • Class II, Division 2, Groups F, G
  • Class III

UL standard

  • UL1203

CSA standard

  • C22.2 No. 30

Design Features

RE reducers have

  • Integral bushing which prevents damage to wires
  • Full, clean cut tapered threads 

REC reducers have

  • Integral bushings in both ends which prevents damage to wires
  • Funnel shaped interior to guide the wires from large to small conduit, making it easy to pull wire

REA adapters have

  • Smooth integral bushing to protect wire insulation
  • Knurled body for easy wrenching

PLG plugs

  • Have clean tapered threads
  • Are available in two styles: flush (recessed) or square head type

Standard Materials

  • RE reducers – RE1108 through RE54: steel; all others: Feraloy iron alloy
  • REA adapters – steel
  • REC reducers – REC21 and REC32: steel; all others: Feraloy iron alloy
  • PLG plugs – Recessed: PLG28 through PLG3 - steel; PLG4 through PLG10 - gray iron alloy. Square head: PLG15 through PLG55 - steel; PLG65 through PLG105 - gray iron alloy
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