(redirected from Witnessed Test Data Program)
WTDPWitnessed Test Data Program (Underwriters Laboratories, Inc.)
WTDPWestern Tribal Diabetes Project (Northwest Portland Area Indian Health Board; Portland, OR)
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References in periodicals archive ?
AUO announced early this month that its PV QRA Lab located in Taichung, central Taiwan, has won certifications from UL WTDP (Underwriters Laboratories' Witnessed Test Data Program), allowing the firm to conduct professional tests, including IEC 61215, IEC 61646, IEC 61730 and UL 1703, on photovoltaic modules on its own to shorten examining time.