The Bridgeport 1246-MT Slip-Fit Screw Aluminum Entrance 1-1/4" Cap Mast, 2" Conduit ensures a secure connection point for rigid or IMC service entrance wires. Operators can utilize the two holes with 7/16" diameter or three holes with 5/8" diameter to connect service entrance wires. This entrance cap is compatible with rigid or IMC conduit. The cap’s aluminum construction is ideal for long-term use in most environments. Our service entrance caps are engineered with the quality and innovation that allows contractors to save time and money on every job. When you need quality electrical fittings for more efficient jobs, look for Bridgeport Orange.