Sigma Electric ProConnex 02-51256 NM/SE Service Entrance Head 2-Inch, 1-Pack Connecting point in an overhead service entrance Easy clamp-on type installation for 2-in threaded/unthreaded Rigid or EMT conduit Phenolic insulator with (1x) 17/32-in, (2x) 3/4-in and (3x) 1-in holes Aluminum die-cast construction Product is UL and CSA listed for use in wet locations Sigma Electric