Hire an experienced, licensed electrician to install the transfer switch, which will cost an additional $200 to $400 depending on the size and complexity of the installation.

What is better interlock or transfer switch?

Compared to a transfer switch, which is limited to a particular number of circuits, an interlock kit allows you to run power from a generator to any circuit within the electrical panel. While this is good in theory, theres a risk of overloading the generator if its not sized according to the load.

How much is a generator for a 2000 sq ft house?

The national average cost is between $10,000 and $20,000 for a whole house generator. Most people spend around $15,000 on an 18kW generator capable of powering a 2,000 sq. ft. home with heating, cooling, hot water, lighting, and appliances.

Are breaker interlocks legal?

Although generator interlock kits are cheap, there are often regulations involved with them. Despite this, they are legal in the United States as long as they are installed up to code.

Can you backfeed a breaker?

Backfeeding is the tying of a portable generator directly to your homes electrical panel instead of using a transfer switch. It is dangerous. It is often illegal. And it should never be attempted under any circumstance.