Why 3ph voltages are named as Red, Yellow & Blue?

What is the reason for choosing red, yellow & blue in 3ph system?

• Naha
• 22 Feb
• 7 Answers

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• • VS
    Vaishnavi
  • 22 Feb

  Because of variation of nutral group and living wire 

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• • KH
    Kinyang
  • 11 Sep

  Red yellow blue these are 3 phase wires name. It represents the colour of wire red yellow blue which is used in three phase line

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• • SS
    Satheeshkumar
  • 31 Jul

  This was the main colours to identify the 3ph for Rph-Red,Yph-yellow,Bph-Blue.All of them first litter are same .So easily find that R Y B phase

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• • Nagaraju
  • 26 Jul

  why we give names for persons? for identification. here we communicate anything with as a name, here that names are R,Y,B

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• • Dharmi
  • 30 Jul

  these are the standard set for three phase system .RYB these are three primary colour . 

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