Sigma's Clamp Type Cable Connectors are used to terminate NM or SE cables to a 3/4-in knockout in a dry location box or enclosure. These connectors are of die-cast zinc construction. Terminates NM or SE cables to a 3/4-in knockoutFor NM cable 14/3 - 4/2 (one cable) and 14/3, 10/3 (two cables)For 0.52-in x 0.61-in - 0.51-in x 0.80-in Oval SEFor 0.57-in - 0.69-in Round SETri-combo screws includedZinc die-cast constructionProduct is UL and CSA listed