Answer / shyam

we know that R is 4r red, Y is 4r yellow, B is 4r blue
these are the basic colours & also we can easily
differentiate

Answer / chandan

To easily identify the difference between the lie wires
connection in the circuit
R is 4r red
Y is 4r yellow
B is 4r blue

Answer / qazi a. alam

the colour is just a formality. main thing is to balanco
the load on all the three phases.

Answer / subhashreddy

R,y.b indicates colour
coding like
red,yellow.blue

Answer / rakesh

r y b easily identyfy _

Answer / shan80

it become common to indicate phases with r,y,b and it not
necessery to indicate phases with r,y,b u should indicate
them with l1,l2,l3 also with r,s,t

Name the instruments which run on DC?

2 Answers  

what is phase to phase fault? what is line to line fault?

6 Answers  

230v AC & 230V DC which is more dengerous for getting a clectric shock between this two voltage?

5 Answers  

what is LA CT PT panel?

3 Answers   Dwarikesh Sugar Industries, NTPC,

what is RTU with SCADA connection ?

2 Answers  

give single line diagram of D.O.L and star -Delta starter ?

8 Answers   ABS, Al-Shuaah, Alkali Metals, Cabin Crew, Cognizant, CRI, Gwalior Distilleries, Hotels, Logicon Engineers, Max India, Nicomet, Radisson Blu, RK Company, Siemens, SLCM, Solar, Steel Strips Wheels, Sugar Factory, TATA, TCS,

what is the difference b/w KVA and KW? the transformer are mentioned KVA rating and the loads are mentioned KW.why?

2 Answers  

what is meant by LCR meter? where its useful ?

0 Answers  

What is the effect on Power factor and capacitor when your company load is more than 70 % of welding transformer

0 Answers  

in gen traf what is ONAN , ONAF , OFAF and DYN

3 Answers  

What will happen when more than one star neutral points at same voltage level are connected to earth by metallic conductor?

1 Answers   TCS,

why d.c motor speed decress with increass in load?

1 Answers