S-Y(St)Y Bd
Core identi cation
Dimensions mm
The colour identi cations the and b-cores of
switchboard cables are coded with basic colour and
colour rings. Ring-colours Basic colour
Unit twistet elementsa-core and b-core
1 blue
2 yellow
3 green white
4 brown
5 black
6 blue
7 yellow
8 green grey
9 brown
10 black
Ring-colours b-core
all c-cores: red
all d-cores: pink
all e-cores: black
Cables with more than twisted elements, the
identi cations code and above elements are be
counted again from serial no.
The units are counted continuously through
all layers the same direction with correct colour
countings, beginning with outer layer towards inside. each layer, the blue core
of the rst completed colour-group identi with red
colour ring markings.
The remaining cores the previous colour-group are
laying before the blue cores with red markings.
The twisted elements are pairs, triples, ve-core units
Pairs and b-cores
triple a-, and c-cores
ve-core units a-, b-, c-, and e-cores
The cores twisted elements with same ring
markings a-cores are bunched unit. Serial no.1097
Y
S-YY Lg
Core identi cation
The cores are identi colour-groups with each
4, different core colour combinations which is
repeate continuously according the following scheme:
No.
blue
yellow
green
brown
black
Dimensions mm
single coloured
no ring marking
with ring marking,
ring width and ring
distance
a-core
b-core
COLOUR CODE SWITCHBOARD CABLE
. cores Core colours
in each colour-group
4 blue, red, grey, green
5 blue, red, grey, green, brown
6 blue, red, grey, green, brown, black
10 blue, red, grey, green, brown, black,
yellow, white, pink, violet
([DPSOH
S-YY x6) x1x 0,6 Lg
= colour-groups with different core colours. The cores are counted continuously through
all layers the same direction, beginning with outer
layer towards inside.
Counting: from outside towards inside.
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No. 1.
The colour-groups same identi cation codes are only
permitted apply cable.
Counting: from outside towards inside.
The cores the switchboard cable are stranded in
layers
