Disconnecting A Solar Panel

Utility companies may also utilize the solar disconnect when performing maintenance or other repairs to nearby power lines.

Disconnecting a solar panel.

In a solar pv system the ac disconnect is usually mounted to the wall between the inverter and utility meter. Disconnect the wires connecting the solar panel to the solar power system by loosening the bolts or screws holding the solar power wires in place. A dc disconnect shuts off the current from the panels to the inverter. In a grid tied pv system the national electrical code nec 690 15 requires disconnects to be used on both the direct current dc and alternating current ac side of the inverter.

Get it as soon as thu oct 1. Can be installed on a new system or retrofitted on any exi. An ac disconnect shuts off the current between the inverter and the ac power grid. Solar disconnects have an essential safety role for pv systems providing a way to isolate equipment for essential maintenance or in the case of catastrophic events.

A screwdriver or socket wrench can be used for this depending on the type of wire connection terminals. 4 8 out of 5 stars 55. The ac disconnect may be a breaker on a service panel or it may be a stand alone switch. A tested and approved safety device which removes all lethal dc volts from any solar installation.

The ac disconnect is used to separate the inverter from the electrical grid.