Red, yellow, black, green
Red, blue, black, yellow
Red, black, green, blue
Red, yellow, blue, black
Red and blue
Red and black
Red and green
Red and yellow
L1, L2, L3 & N
U, V, W & N
R, Y, B & N
A1,B1, C1 & N
Metal bands
P.V.C sleeves
Link clips
P.V.C saddles
By considering the voltage of circuit
By considering the load resistance
By considering the current carrying capacity
By considering the power factor