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The test can be repeated as often as desired for various protective conductor parts with the manual sequence*. Switch line voltage to test socket, start measurement Reverse mains polarity, perform measurement again Framed with dashed line: The test is only run if it has been activated in the initial program window, or in the Setup menu under Sequence ... * If it is not clear whether or not all exposed, conductive parts are connected to one another or to the protective conductor, testing can be p