The 3-piece coupling has a threaded main body, a compression nut, and a serrated split compression ring. ... This one electrical fitting interchangeably connects threaded conduit to threaded rigid or IMC conduit, and threaded conduit to unthreaded rigid or IMC conduit.
How do you use a 3 piece coupling?
https://www.youtube.com/watch?v=CrrnyYDHMLQ
What is an Erickson coupling used for?
Erickson® 3-piece couplings are used to couple conduit ends when the conduit cannot be turned. Coupling is copper-free aluminum and is used with 1 inch rigid metal conduit and IMC conduit. Coupling is UL listed, CSA certified and concrete-tight.
What is a split coupling?
Conduit Repair Systems, Inc.'s (“CRS”) split couplings are a high-grade, rigid split conduit fitting produced from virgin polyvinyl chloride (PVC). ... The couplings are used to either connect sections of split conduit together or to connect split conduit to standard conduit.
What is the purpose of a coupling?
The basic function of all couplings is to transmit power, accommodate misalignment and compensate for axial movement (end movement of shafts). Sometimes, a coupling is asked to absorb shock or vibration. Selecting the right coupling depends on four basic conditions of shaft misalignment or movement.Aug 9, 2009
What is coupling types of coupling?
Coupling fall into two main categories: Material Flexing and Mechanical Flexing. ... The mechanical flexing couplings accept misalignment from rocking, rolling or sliding of metal surfaces. All metal mechanical flexing couplings require lubrication.