- These Steel Cord Connectors have been designed to withstand the extremes of water, caustic materials, detergents or survactants. They can be ordered with or without wire mesh and accommodate 3/8”, 1/2”, 3/4”, 1", 1 1/4", and 1 1/2" conduit. The combination tightening surface on these connectors is a unique Remke design that provides a large wrenching area of easy installation. And the knurl section offers users an extra gripping surface for initial hand tightening.