An ac disconnect shuts off the current between the inverter and the ac power grid.
Disconnecting a solar panel.
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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.
A dc disconnect shuts off the current from the panels to the inverter.
The second disconnect is the ac disconnect.
In a solar pv system the ac disconnect is usually mounted to the wall between the inverter and utility meter.
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Utility companies may also utilize the solar disconnect when performing maintenance or other repairs to nearby power lines.
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The ac disconnect is used to separate the inverter from the electrical grid.
Can be installed on a new system or retrofitted on any exi.
A tested and approved safety device which removes all lethal dc volts from any solar installation.
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.