Sigma's Clamp Type Cable Connectors are used to terminate NM Cable or Flexible Cord to a 1/2-in knockout in a dry location box or enclosure. These connectors are of die-cast zinc construction. Terminates NM cable or Flexible Cord to a 1/2-in knockoutFor NM cable 14/2 - 10/3 (one cable) and multiple configurations for two and three cablesFor 0.29-in - 0.45-in Flexible CordTri-combo screws includedZinc die-cast constructionProduct is UL and CSA listed