What are the test requirements for the power cord?
Yellow, green, red three colors, or called A, B, C three, or U, V, W phase, is the corresponding, three-phase voltage are 220V, line voltage of 380V, if the load is not balanced , Easy to burn the line. Hope to help you busy, man is a hydropower engineer, what questions, though looking for me.
3 generally showing yellow-red,, blue phase line represents zero, represents the yellow-green ground.
(U.L1) is yellow, B phase (V.L2) is green, C phase (W.L3) zero line (N) blue, ground wire (PE) according to international practice. ) For the two-color line.
