I need to replace a faulty breaker. Here’s a picture of my main breaker box. There’s no master switch that I can see that shuts off power to all of the breakers.

Following the line up and out of the box, it runs along the basement ceiling and out through a hole in the foundation.

Let me know if you need to see something else.

Edit. Resolved! I found a master switch on the outside of the house in a panel adjacent to the meter. Weird that anyone can just walk up to my house and turn all of the power off.