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Why selected cable colour red yellow and blue in 3 phase
Electrical system?
- 9 Answers
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Answer / abulfaiz
THEY ARE THE INTERNATIONAL STANDARD COLORS FOR THE
THREE PHASE SYSTEM. MAY BE IF WE SET SOME OTHER THREE
COLORS SUCH AS WHITE BLACK & GREY MEANS THEN THE SAME
QUESTION ARISES.....
WHY WHITE BLACK AND GREY???:)
| Is This Answer Correct ? | 19 Yes | 10 No |
Answer / ravichand n
its universal colour code for 3-phases
Red-R phase
Yellow-Y phase
Blue- B phase
black - neutral
green- earth
| Is This Answer Correct ? | 12 Yes | 7 No |
Answer / pawan singh chauhan
AC three phase system colors {red,yellow,blue + green for earth} based on IEC(International Electrotechnical Commission)and NEC(The National Electricity Code)
because these colors are universal in india & easily detected if cables are heated
For DC system wire colors { Brown,White,Grey,orange} also based on IEC(International Electrotechnical Commission)and NEC(The National Electricity Code)
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / rupinder singh
Red,Yellow and Blue are basic colors,and in 3 phase system we required to differentiate between the 3 phases while seeing them so they were selected.
| Is This Answer Correct ? | 7 Yes | 5 No |
Answer / *avi
Because they are easily distiguishable. And Used as
international standard colors.
| Is This Answer Correct ? | 4 Yes | 3 No |
Answer / dinesh
those are standards which are following every where....in
electrical
| Is This Answer Correct ? | 8 Yes | 9 No |
Answer / nishanth
This three coloursvare international standard..
And these three colors are the main colors..
To mix the colors u will get white and all colours..
| Is This Answer Correct ? | 0 Yes | 2 No |
Answer / bharat b wankhade
Intensity is more and easily differential according to indian atmosphere.....
| Is This Answer Correct ? | 0 Yes | 2 No |
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