Contents - AP Technology

Core marking
Core colours according to DIN IEC 60304
The colours stipulated should conform with DIN IEC 60304.
Single-core cables
- Rated voltage Uo/U 300/500 V
Technical Guidelines
The following colours are recommended for insulated wire cables:
Black, blue, brown, orange, pink, turquoise, violet, white, also (with certain restrictions) green, depending on the provisions of the applicable safety regulations.
Green is permitted for identification of illumination set cables.
All two-colour combinations of the individual colours stated above are permissible.
- Rated voltage Uo/U 450/750 V
The following colours are recommended for single-core non-sheathed cables:
Black, blue, brown, orange, pink, turquoise, violet and white. No two-colour combinations (with the exception of green-yellow) are permitted.
Single-core and single-core sheathed cables
Correct colour is black or green-yellow, with the exception of illumination and illumination set cables (for which the colour brown is permitted).
Note
- In multi-core cables, the green-yellow cores must be located in the outer layer.
- Correct order of counting and configuration of cores bearing printed numbers is from inside, starting at No. 1, and counting sequentially through all layers analogously.
Colour codes according to DIN IEC 60757, identical to CENELEC-HAR Document HD 457
Colour german code new code
according to DIN 47002 according to DIN IEC 60757
Black SW BK
Brown BR BN
Red RT RD
Orange OR OG
Yellow GE YE
Green GN GN
Blue BL BU
Violet VI VT
Grey GR GY
White WS WH
Pink RS PK
Turquoise TK TQ
Green-Yellow GNGE GNYE
Silver - SR
16.065