Convenient and Secure Connection: Designed for easy house hook-up, allowing you to safely connect portable generator to your home's electrical load center system to power up any circuit selected. Compatibility: Rated for 30 amps current, this kit fits generator 4000-8500 Watts (3500-7500 running Watts) output. The interlock set fits Square D homeline 150-225 Amp load center. Instead of using expensive transfer switch to pre-wire certain lines to power, this kit enables you to select and power up any circuit of home appliances and electronics during outages. Kit includes: (1) 30 Amp 15 Ft. generotor cord with ETL cert. (1) 30 Amp weatherproof inlet box. (1) Load center interlock Kit. (1) Homeline 30Amp 2-pole circuit breaker. *It does not include the cord from inlet box to load center. Our 30Amp Generator to House Hook-up Kit is designed for an easy and secure connection, allowing you to safely link your portable generator to your home’s electrical load center system (*Check compatibility per below steps is important). Power up any selected circuit effortlessly, ensuring that your home remains functional during power outages.