Two days later john received a call from the same rep and was told that unfortunately the main panel upgrade would be required adding an additional 2 000 to the cost of the project.
Hook one solar panel directly to your breaker box.
It will tell you its rating.
Patrick and kyle share a full look into how to determine if a breaker upgrade is necessary for your solar project.
Run the wires from the converter to the electrical supply box.
Find where the main wires run into the home in the box and pull them forward so you can access them.
To determine the rating of your main breaker box read the label on the box.
These nothing special just make sure you match the make and style of your existing circuit breakers different manufactures are not interchangeable with one another.
The most common way to connect a residential solar system to the grid is in the main breaker box through a new dedicated breaker as shown in the schematic.
The power coming from your grid tie solar system is 240vac so you will need a double pole circuit breaker of the right current rating see 2.
In the photo of the label i have a 125a busbar in my main breaker box.
Strip the ends of the wires and attach the green wire to the box.
Patch the wires from your electric box and the solar panels together.
Check out this video to understand the.