A brief discussion of the basic concepts of product certification is presented followed by a discussion of the prerequisites for a proposed certification program for photovoltaic modules. One independent approved laboratory would serve as the certifier for the program and additional laboratories would be approved if this was warranted by a demand for additional testing services. If the module certification program eventually needs a large number of laboratories for this type of testing, the approved laboratory program should be replaced by an accreditation program such as the National Voluntary Laboratory Accreditation Program administered by the U.S. Department of Commerce. © 1982.
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