2) Use a Transfer Switch: The safest way to use a portable generator for home power backup is to use it in conjunction with a manual transfer switch­–a robust piece of electrical gear.

Q: I plan to install a backup generator for power outages. How do I determine what size I need? Would it make economic sense ...

Summarily, the change in the generator carburetor can facilitate this switch. Some individuals may choose to retain the carburetor and add a converter, enabling the generator to run on both fuels.