Inverter: The inverter is the piece of equipment that switches incoming power from DC (direct current) to AC (alternating current) so that your home can use the power. Here is what a typical solar panel system looks like and where to find the disconnects:ĭC Disconnects: The DC disconnects (sometimes referred to as the PV disconnects) are placed between the solar panels and the inverter or, in many cases, built into the inverter.
The primary purpose of these disconnect switches is so that you can shut off the incoming flow of power from your solar panels. This makes it important to understand how AC and DC disconnects work. The majority of building codes across the United States require these disconnect switches to be in place. Installing AC and DC disconnects properly will ensure that your customer’s home is safe while also allowing incoming power to be quickly shut off if necessary. DC disconnects are switches that can interrupt the flow of DC (direct current). In a solar PV system it’s usually mounted to the wall between the inverter and utility meter, and can be a standalone switch or a breaker on a service panel. AC and DC disconnects are essential components necessary for placing a solar panel system on your roof and connecting it to your home.Īn AC disconnect separates the inverter from the electrical grid.
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