Dome-Cap strain relief connectors exceed NEMA 6 liquid tight specifications, are suitable for use underwater to 300 feet, are rated at IP68 with a working temperature range of -30°C to +80°C, and can withstand water pressure up to 70 psig. All connectors meet or exceed UL, CSA and VDE specifications. The Dome-Cap connector fits a wide range of cord diameters and is easily installed in either clearance or threaded holes.