UL 2703, the Standard for Mounting Systems, Mounting Devices, Clamping/Retention Devices, and Ground Lugs for Use with Flat-Plate Photovoltaic Modules and Panels covers mounting systems, including mounting devices, clamping devices and ground lugs for use with photovoltaic. . UL 2703, the Standard for Mounting Systems, Mounting Devices, Clamping/Retention Devices, and Ground Lugs for Use with Flat-Plate Photovoltaic Modules and Panels covers mounting systems, including mounting devices, clamping devices and ground lugs for use with photovoltaic. . al standards play an important role in the Photovoltaic industry. Since PV is such a global industryit is critical that PV produc s be measured and qualified the same way everywhere in the world. IEC TC82 has developed and published a numbe of module and component measurement and qualification st. . How safe are flexible PV brackets under extreme operating conditions? Safety Analysis under Extreme Operating Conditions For flexible PV brackets, the allowable deflection value adopted in current engineering practice is 1/100 of the span length. To ensure the safety of PV modules under extreme. . rds play an important role in the Photovoltaic industry. . This article addresses the technical, aesthetic, and strategic problem of the limited attention paid to design and selection of materials in photovoltaic system (PSS) support structures despite their direct impact on the efficiency, durability and economic viability of these systems.