Answer / kj

RYB is for the phase colours Red Yellow Blue the usual
colours used for ther insulation.
ABC is an old standard
UVW is from a newer standard

Answer / rajendra.s

RYB colors are used for phase indication
UVW are used in motor terminal connection.

By-Rajendra.V.Sawant
Miraj.

Answer / sheikh

R.Y.B denoted on the input side of 3 phase circuit
and U.V.W denoted on the load side like goes to motor
terminals etc.

Answer / a.mubarak ali

for in my convinient thats all. i.e., in our country maximum
using of wire material this type of colour RED YELLOW BLUE
easily to find out the problem in transmission line so we
put RYB in three phase supply and also not wrong to mention
ABC UVW, thats it.,

Why we oil in tranformer/

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