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Iec Colour Codes


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Hi Guys,


I'm looking for IEC wiring colour codes for control panels. At the minute we use brown, black, grey for phase conductors and Blue for Neutral. We use yellow for 110v live & neutral, white for 24Vac or DC (this can be confusing in a panel with both), orange for volt free or external source and Purple for other internal voltage sources such as control from a VSD or wiring to CT's etc. I'd be interested in trying to harmonise our panels with a european standard if there is one. Does anyone know if there is a standard?





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