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 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.
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. An inverter is needed because the power generated by solar panels is DC, but homes are wired for AC. After power goes through the inverter, it comes out as AC.
An inverter is needed because the power generated by solar panels is DC, but homes are wired for AC. After power goes through the inverter, it comes out as AC. To protect the home in case of emergency, like a fire, AC disconnects are installed after the inverter.
Most solar setups contain two PV disconnects. The first, a DC disconnect, is located between the solar panels and the inverter. As DC power runs through the system, the PV disconnect can interrupt the power if needed. The AC disconnect is located between the inverter and the electrical grid. It can stop the AC power before it reaches the grid.
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