Why selected cable colour red yellow and blue in 3 phase
Electrical system?
Answers were Sorted based on User's Feedback
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 |
What are disadvantages of capacitor
how a single machine can act as both motor and generator? and give explanation interms of connections?
what is the use of excitation transformer in LAVT PANEL?
A resistance, inductance & capacitance are connected in series between points A & B.The voltage drops across the resistance,inductance&capacitance are found to be 40V,70V&100V respectively. What is the total voltage between between points A&B (Vab)? a)210V b)70V c)50V d)230V
Yazaki india pvt ltd interview questions qurey related
please give some hindalco placement papers for written exam
why humming sound occured in h HT transmission line
what is the relative size of single and three phase?
What do you mean by eddy current loss?
I have AC automatic voltage regulator 15KVA What output currant?
PLZ sent the previous year question paper for GET in NHPC on my EMail id ppshanker@gmail.com
What is the ohms law?
Civil Engineering (5086)
Mechanical Engineering (4453)
Electrical Engineering (16638)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)