Avoid the cost and hassle of setting up multiple generators with these rugged, yet lightweight power distribution boxes. Plug one into a generator for small jobs, or chain several together to supply electricity to multiple rooms. Often used on construction sites, boxes have a heavy duty steel housing to stand up to demanding environments. They also handle a higher electrical load than standard power strips to run a wide range of devices, such as dehumidifiers, welders, floodlights, and other equipment. All have GFCI protection to minimize the risk of electric shock. Also known as spider boxes.

Lock these cords in place with a quarter turn. They won't disconnect accidentally in high-vibration environments, such as on assembly lines and heavy machinery. These cords meet NEC Article 400 requirements for hard service, so they withstand everyday wear and tear.

Power devices in rough areas with heavy vibration. These extension cords have quarter-turn locking connectors that won't shake loose. Built to NEC Article 400 standards for extra-hard service, these cords resist wear that could expose conductors and compromise safety. Their thick jacket protects against scrapes on rough surfaces.