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What colours were used for electrical wiring in Germany before 1966?
Just moved to old [1910 ish] flat in Berlin and faced with blue, black and yellow in the wiring rather than brown, blue and green/yellow. Presume yellow is earth, but is blue live here rather than neutral as in post 66 EU standardisation
Answer:
Yellow is protective earth and normally blue should be neutral and black live.
But don't be too sure in old houses as sometimes black and blue maybe interchanged because you can mix up the polarity with the Schuko-system.
Just turn it on and check where live is.
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