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Revising PV testing

Professional Roofing



pv; photovoltaic; fire classification; installation; rack-mounted; modules; panels; UL 1703

Underwriters Laboratories (UL) Inc. is revising its standard for evaluating the safety of photovoltaic (PV) modules and panels. Because this revision will directly affect rooftop rack-mounted PV installations, you should be aware of the revisions taking place and their effects on these installations.

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