PowerZone Contractor Extension Cord is designed to give professional contractors and industrial personnel maximum flexibility for portable power needs at the job site. The triple-tap adapter enables the use of 3 power tools from one outlet on a 12/3 or larger extension cord, a generator, or a temporary power box. Prime's adapters meet OSHA requirements for use on job sites and have solid molded-on vinyl connectors for high resistance to breakage and abuse.