Working on a job site requires power tools. In most cases, this is going to require using extension cords and power strips. Whether you\'re looking for a reliable retractable cord to keep the workplace safe and free from trip hazards, a power strip to plug in multiple devices at once or a locking cord adaptor to keep tools from becoming unplugged in the middle of a heavy job, Grainger has the right equipment. With over 400 products to choose from and some of the top brands, there\'s no reason to shop anywhere else for extension cord needs.