The Sigma ProConnex Ground Clamps with Lay-in Lug are used to connect a ground wire in Rigid conduit or Rebar to copper or galvanized steel water pipe. These Patented fittings are suitable for direct burial in the ground and concrete.
The Sigma ProConnex Intersystem Bonding Bridge is used in residential and commercial applications to ground up to four systems to a single location. The lay-in lug style allows for easy installation and it meets the 2011 NEC Article 250.94.
The Sigma ProConnex Insulated Metallic Grounding Bushings are used on the end of Rigid conduits, IMC and other threaded connectors to provide a smooth, well rounded bearing surface to protect wires or cables as well as providing a means to connect a grounding conductor with a lay-in lug.
The Sigma ProConnex Watertight Hubs terminate rigid threaded conduit or IMC to an enclosure. Hubs are assembled with a 90-degree Celsius rated insulator and rubber sealing ring. These die-cast zinc connectors are listed for use in wet locations and meet NEMA sealing requirements for Type 2, 3, 3R, 4, 5, 12 and 13 enclosures.
The Sigma ProConnex Rigid Threaded Nipples are used to extend the length of threaded Rigid conduit or IMC. These zinc-plated steel threaded nipples can also be used to connect two steel outlet boxes or metal enclosures together when used in conjunction with locknuts.
The Sigma ProConnex Rigid Threaded Nipples are used to extend the length of threaded Rigid conduit or IMC. These zinc-plated steel threaded nipples can also be used to connect two steel outlet boxes or metal enclosures together when used in conjunction with locknuts.