UL PRODUCT CATEGORY

Photovoltaic Modules and Panels, QIGU

USE AND INSTALLATION

This category covers flat-plate photovoltaic modules and panels with system voltage ratings 600 V or less intended for mounting on buildings or on ground-supported frames. Roof-mounted modules or panels are investigated for one of three mounting methods: (1) integral to the roof of a building, (2) directly on a building's roof, or (3) on a rack with a space above the roof surface.

When mounted integral to a building's roof the module serves as the waterproof membrane. Direct-mounted panels are placed upon the building's waterproof membrane (shingles or the like). Rack-mounted styles are spaced away from the building's roof member. Rack-mounted styles may also be installed separate from buildings.

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