What is an automatic transfer switch?

The automatic transfer switch (ATS) senses a utility outage and safely disconnects your home from the grid before connecting the generator, then reverses the process when power returns.…

October 5, 2026 1 min read Patriot Services Electric

The automatic transfer switch (ATS) senses a utility outage and safely disconnects your home from the grid before connecting the generator, then reverses the process when power returns. It is the safety-critical component that makes unattended backup power possible.

Need a licensed electrician in Katy?

Free quotes, honest pricing, and a local team that answers the phone. Call, text, or send the form and we will reply fast.

(713) 900-9140 Request a Free Quote

Ready when the power goes out. Plan before it does.

Free quotes, honest pricing, licensed electricians. Call or text — we reply fast.

Text us replies on our personal phone