Junction box potential: Recent safety regulation updates in the U.S. and Europe could render vast swathes of rooftop solar installations non-compliant with new fire codes, potentially opening up a retrofit market for providers of components that can make arrays compliant. One cost-effective approach could well be the replacement of older junction boxes with newer, more sophisticated devices.
Module-level power electronics such as DC optimizers have been the preferred solution towards meeting safety standards, up to now.
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