The connectors allow for fast and easy replacement of sensors, switches, and control components. Features of the connectors include nickel-plated brass couplers, IP67 and NEMA-6 protection, mechanically keyed for mismating, and are factory molded to the cable for durability. The line consists of male and female plugs, straight or 90 configurations, NPT receptacles, and PVC-jacketed cable. The connectors are for use by companies that use sensors on conveyors, automated machinery, materialhandling equipment, packaging machinery, and robotics.