TESTBOY TV 470 Bedienungsanleitung Seite 57

Preparing for first-time use
With devices in protection class I, measurements will be made between all
active parts (phase and neutral) and the PE conductor as well as all exposed
conductive surfaces that are not connected to the PE conductor.
With devices in protection class II, measurements will be made between all
active parts (phase and neutral) as well as all exposed conductive compo-
nents.
Illustration 4
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Testboy TV 470 57