WK21327 New Practice for the Attachment of Roof Mounted Photovoltaic Arrays on Steep- Slope Roofs
WK22010 New Guide for Testing Performances, Weathering and Aging of Photovoltaic Modules
WK25362 New Practice for Accelerated Life Testing of Photovoltaic Modules
WK37888 New Practice for Determining Expected Capacity and Reporting Conditions for Photovoltaic Non-Concentrating Systems
WK38365 New Test Methods for Ultraviolet Conditioning and Weathering of Photovoltaic Modules or Mini-Modules Using a Fluorescent Ultraviolet (UV) Lamp Apparatus