The only fast, safe, and code approved way to supply portable power to your home's electrical wiring. Prepare circuits in your home to be powered by a portable generator safely and efficiently. This completely prewired generator transfer switch easily installs next to your home load center. It works with any generator producing 8000 rated watts or less. The transfer switch features independently controlled toggle switches for 15-, 20-, or 30-amp household circuit switching. Easy-to-read, color-coded watt meters show estimate of watts used. cULus 1008 Listed and covered by a 5-year warranty.