Standby generators connect to the home with an automatic transfer switch that instantly kicks the generator on when the power goes out.

Heath installs a generator transfer switch; Mark fixes a faulty brick lintel repair. Heath Eastman assists a homeowner who wants to hook up a generator to their home by installing a transfer ...

This makes a portable home generator a popular piece of gear to keep on hand, but connecting one to the house takes a bit of know-how and planning.

A transfer switch is like a mini circuit breaker panel that allows you to draw electricity from your generator instead of from the power company.