This Distribution Generator Extension Cord, 30 Amp Dryer Plug (14-30P) To Locking 30 Amp Outlet (L14-30R) features hard-usage and oil resistant cable jackets withstand harsh environments, Molded NEMA plugs provide ultimate dust and strain-relief. For use in disaster recovery, restoration, renovation or maintenance projects requiring temporary, portable power in: Residential, Commercial and Industrial, Municipal, Utility and Emergency Response. When fires, tornadoes, hurricanes, flood damage or other severe disasters devastate structures, readily available power for heavy equipment is limited. In disaster recovery, the ability to utilize electrical equipment in remote areas helps emergency response; building recovery and restoration efforts. In most cases, the only reliable sources of significant power are 125/250-Volt range and dryer outlets or portable generators.