Reliance Controls 51410C 10-Circuit Indoor Transfer Switch with Meters,  12500-Watt
Easy to install and operate, connects portable generator to residential load center. Allows manual transfer of individual loads to prevent overloading generator. Each individual circuit can be transferred separately and only as needed. Now required by Article 702.6 of the 2002 National Electric Code to prevent inadvertent backfeeding of electric power from generator into utility system which can be a safety hazard.