Disconnecting A Solar Panel

Can be installed on a new system or retrofitted on any exi.

Disconnecting a solar panel.

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. Generies solar spanners wrench solar panel connector disconnecting tool for solar panel cable pv system wire and connectors assembly 1 pair black 4 9 out of 5 stars 40 6 99 6. Utility companies may also utilize the solar disconnect when performing maintenance or other repairs to nearby power lines. The ac disconnect may be a breaker on a service panel or it may be a stand alone switch.

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 tested and approved safety device which removes all lethal dc volts from any solar installation. A screwdriver or socket wrench can be used for this depending on the type of wire connection terminals. The ac disconnect is used to separate the inverter from the electrical grid.

An ac disconnect shuts off the current between the inverter and the ac power grid. A dc disconnect shuts off the current from the panels to the inverter.