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Color Code according to DIN VDE 0813

Switchboard cable S-YY Lg
Conductor identification
single color single color
no ring marking
with ring marking, ring width and ring distance with ring marking, ring width and ring distance

The conductors are identified in color-groups with each 4, 5, 6, 10 different conductor color combinations which is repeat continuously according to the following scheme:

No. of conductors in each color-group Conductor colors
4 blue, red, gray, green
5 blue, red, gray, green, brown
6 blue, red, gray, green, brown, black
10 blue, red, gray, green, brown, black, yellow, white, pink, violet

S-YY 30 (5 x 6) x 1 x 0.6 Lg
= 5x color-groups with 6 different conductor colors.
The color-groups of same identification codes are only permitted to apply in a cable. In each layer, the blue conductor of the first completed color-group is identified with red color ring markings. The remaining conductors of the previous color-group are laying before the blue conductors with red markings.

Counting: from outside towards inside. The conductors of the switchboard cable are stranded in layers. The conductors are to be counted continuously through all layers at the same direction, beginning with outer layer towards inside.

Switchboard cable S-Y(St)Y Bd
Conductor identification
A-conductor A-conductor
B-conductor B-conductor

The color identifications of the a- and b- conductors of switchboard cables are coded with a basic color and color rings.

Identification of ring- and basic colors

No. of unit Serial no. of twisted elements Ring colors a-cond. Basic color a- and b-cond.
1 1 2 3 4 5 blue white
2 6 7 8 9 10 yellow
3 11 12 13 14 15 green
4 16 17 18 19 20 brown
5 21 22 23 24 25 black
6 26 27 28 29 30 blue gray
7 31 32 33 34 35 yellow
8 36 37 38 39 40 green
9 41 42 43 44 45 brown
10 46 47 48 49 50 black
  blue yellow green brown black  
Ring colors b-conductor

all c- conductors: red
all d- conductors: pink
all e- conductors: black

Cables with more than 50 twisted elements, the identifications code of 51 and above elements are to be counted again from serial no. 1.

The twisted elements are pairs, triples, five- conductor units
Pairs a- and b- conductors
triple a-, b- and c-conductors
five- conductor units a-, b-, c-, d- and e- conductor
The conductors of 5 twisted elements with same ring markings of a- conductors are bunched to a unit.

Counting: from outside towards inside.
The units are to be counted continuously through all layers at the same direction with correct color counting, beginning with outer layer towards inside.

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