Check the listing for details. Portable Generator Power Transfer Switch Pre Wired 30 Amp 6 Circuit Load Center. Condition: New. Listed at 411.99 USD. The Reliance Controls 31406CRK 6-circuit Pro/Tran Transfer Switch Kit has everything you need to easily complete a portable generator transfer switch installation in a home or office. The purpose of a transfer switch is to connect a secondary power source, like your portable generator, to circuits in your home or building that are wired into the electrical system. It is designed to enable the wiring system of the building to accept the full power of a portable generator, which can run multiple electrical appliances and devices during a power outage. The transfer switch ensures that you can safely use back up power during a power outage without having to worry about back feeding the utility line. In an emergency situation you might not think to shut off the main power source, the transfer switch makes it so you do not have to worry about that. This kit includes a Includes pre-wired transfer switch with wattage meters, 10-foot power cord, 30A power inlet box and wire connectorsFeaturesControl up to 6 electrical circuits with a portable generatorEliminates running extension cords to your generator through door or window openingsKeeps critical circuits on to run lights, a refrigerator, furnace, sump pump, well pump or garage door openerPre-wired for easy installation. No additional circuit breakers to install or additional wiring neededManufacturer Warranty5 yearWeight13 poundOverall Height7.5 inchOverall Width7 inchOverall Depth4.75 inchProduct TypeTransfer SwitchesShipping Dimensions17.75 H x 13.75 W x 5.00 DShipping Weight15.4375 lbs