Enduring Quality, Exceptional Value

GRC NIPPLES

GRC Nipples

Marathon offers a broad selection of short, threaded conduit segments designed to provide secure, code-compliant connections in a wide range of electrical installations. Suitable for use with both EMT (Electrical Metallic Tubing) and GRC (Galvanized Rigid Conduit), these fittings ensure dependable performance across commercial, industrial, and residential applications.


Features and Benefits



  • Used to connect boxes, enclosures, or other fittings while maintaining electrical continuity and system integrity

  • Manufactured from galvanized steel for strength and corrosion resistance in indoor or outdoor environments

  • Available in trade sizes from ½" to 5" to match standard conduit systems

  • Supplied pre-threaded to reduce installation time and labor costs

  • Designed to meet NEC requirements for grounding and bonding

  • UL listed and produced in accordance with national safety standards

  • Built for long-term reliability, even in demanding conditions