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COUP Locking Coupling for Conduit Fixture Stems

Crouse-Hinds COUP locking couplings are used in both hazardous and non-hazardous areas to lock a light fixture conduit stem into a conduit hub to prevent the conduit stem from loosening when the fixture is relamped and torque is transferred to the fixture stem.  COUP couplings prevent loosening of the fixture stem due to vibration.  

Certifications and compliances

  • UL standard: 1203

Design features

  • The large end is slipped over the cast hub and the set screws tightened; the fixture stem is slipped through the small end and threaded securely into the cast hub; the set screws in the small end are then tightened, thereby preventing the stem from turning
  • Permits support of fixture from conduit hub of a hazardous location outlet body

Standard materials

  • Feraloy iron alloy with electrogalvanized and aluminum acrylic paint
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