The SPEC (Sealed Power for Environmental Connections) Pak Connector Series includes the 4-Position and 6-Position connectors. The units can be used wherever a waterproof, high-power signal and ground interconnect solution is required. The 4-Position SPEC Pak shell handles up to 25 amps when fully loaded with #10 American wire gauge and the 6-Position SPEC Pak shell can handle up to 45 amps.