The name Hubbell wiring Device-Kellems is synonymous with innovation and quality. In keeping with this reputation, Hubbell wiring Device-Kellems has once again raised the bar by introducing a redesigned line of innovative, high quality, single pole plugs, receptacles and all the accessories for the single pole connector marketplace. The redesigned Hubbell single pole connector line is rated for 600 volts AC and 250 volts DC, up to 400 amps for cable sizes #4 through 4/0. These single pole connectors are the right choice for supplying temporary electrical power distribution for entertainment, theme parks, carnival equipment, concerts, movie making, and numerous other applications requiring temporary power. These single pole connectors have been designed with ease of assembly and disassembly in mind, NO special tools are required. A high strength nonconductive retaining screw is all that is needed to securely lock the contacts to the insulated sleeve.