EUROPEAN 220 VOLT WIRE COLORS
US and Europe wiring standards what color is which wire?
The colour change has been controversial and was delayed for three decades, because the colour blue which was previously used as a phase colour is now the colour for neutral, and the colour black which was previously used for neutral indicates now a phase.
Differences in USA and European AC Panels - Blue Sea Systems
Jul 31, 2002The USA 120 V (60Hz) supply typically has three wires, 1-hot, 1 neutral, and 1-safety ground. 120V (60Hz) is obtained between the hot and neutral leads.
