Arlington NM95-25 Black Button Push-In NM Cable Connector, 3/4 Trade Size, Fits 3/4-Inch Knock Outs, Black, 25-Pack. 3/4 Trade Size, Fits 3/4-Inch Knock Outs. Lowest cost NM cable connectors on the market and offer the fastest installation. Disconnect electrical power, insert connector into knockout, push cable in to desired length. For single or multiple cables, connectors offer easy cable insertion while exceeding UL and CSA pullout requirements. Better cable connectors for one or two cables that install easy with smooth cable insertion and exceeds UL pullout tests.