Definition
A NEC (National Electrical Code) requirement that solar panel systems must be able to quickly reduce voltage to safe levels for firefighter safety. Module-level electronics (microinverters or power optimizers) satisfy this requirement. String inverters require additional rapid shutdown devices.
Related Solar Terms
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The technology that converts sunlight directly into electricity using semiconduc...
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A unit of electrical energy equal to one kilowatt of power sustained for one hou...
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A device that converts the DC (direct current) electricity produced by solar pan...
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