Ball Nose Male Panel Receptacle, Threaded Stud, 22 Series Single Pole 90 Degree Cam-Type, 250-750MCM, 690 Amp Max - BLACK The 22 Series Cam-Type positive latching connectors and receptacles are the standard used by Navy bases and shipyards in supplying 3-phase power to ships at dockside. Our latching connector series has been tested to meet Navy specs, including intermateability with competition. They provide heavy duty, completely insulated connectors that are vibration resistant. These connectors will not vibrate or loosen, ensuring high conductivity and maximum efficiency. Contacts can be retrofitted to existing locations and power distribution systems. Male contacts provide 40% more surface contact with the female vs. competitive products, ensuring greater conductivity while preventing burnout.