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