Appleton SNTCC300 Rigid Conduit Coupling Set Screw Type

Appleton SNTCC-300 Threadless Set-Screw Coupling, 3 in trade size, is a steel conduit fitting designed to join rigid metal conduit (RMC) and IMC, with compatibility for EMT-to-RMC/IMC transitions through a set-screw, threadless connection. The coupling measures 4.44 in in length with a 4.00 in outside diameter, and uses a steel body engineered for reliable, code-compliant joints in commercial and industrial installations. Listed to UL 514B and CSA C22.2 No. 18.3 with CSA 065178 and NEMA FB-1 certifications, it adheres to common electrical standards for safety and performance. MFG Part #: SNTCC-300. This Appleton fitting accommodates end-to-end runs in steel conduit systems where space and alignment matter, providing a secure, rigid connection without external threads. Its threadless design relies on set screws to clamp onto the conduit surfaces, delivering a robust joint suitable for long runs in exposed or protected environments.