JonAW Posted November 11, 2011 Report Share Posted November 11, 2011 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? thanks Jonny Link to comment Share on other sites More sharing options...
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