Hubbell wiring Device-Kellems offers a full line of innovative, high quality, series 15 single pole plugs, single pole devices 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. Single pole devices have been designed with ease of assembly and disassembly in mind, no special tools are required. A high strength non-conductive retaining screw is all that is needed to securely lock the contacts to the insulated sleeve. UL enclosure Types 3R, 4X and 12 rating suitable for use in almost any environment.