English translation: electrical circuits that have not been disconnected
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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
German term or phrase:
nicht abgeschaltete Stromkreise
electrical circuits that have not been disconnected
Explanation: if this is part of a visual inspection, I can only imagine that the operator should control if there are warnings close to the switches and attached to the cables, that they are not voltage-free or that the cable colour indicates this fact.