Profile: Duraline Co. specializes in power connectors. Our product line includes single pole high power connectors, multi pin rubber molded waterproof plugs, connectors & receptacles, portable rubber molded parts, lighting and fissure lowering systems. Our taper Nose "J" series is the line latching single pole cam type connectors are designed for quick, safe positive power connections. These high conductivity with low resistance is assured through connections that lock tight and stay tight, yet can quickly and easily connected and disconnected without the need for tools. These locked connectors are impervious to vibration and will not twist loose from cable flexing. It maintains a highly conductive fit, allowing the connections to run cool.