Table 9.6 shows the colour coding for unshielded twisted-pairs
used for horizontal cabling.

Table 9.6 - Colour code for horizontal UTP data cabling
Pair number Colours Pair number Colours
1
white-blue : blue
3
white-green : green
2
white-orange : orange
4
white-brown : brown

 

The standards listed in Table 9.7 will replace older documents HD608, EN50167, EN50168 and EN50169. In the USA TIA/EIA standards apply. The standards have no coherent numbering system.

Table 9.7 - European standards for data cabling
Standard number Brief description
EN 50173 Information technology generic cabling systems. The most important data cables standard for Europe.
prEN 50288-1 Generic specification for multi-element metallic cables used in analogue and digital communications control.
prEN 50288-2 Sectional specification for screened cables characterised up to 100 MHz.
prEN 50288-3 Sectional specification for unscreened cables characterised up to 100 MHz.
prEN 50288-4 Sectional specification for screened cables characterised up to 600 MHz.

Extracted from The Electricians Guide Fifth Edition
by John Whitfield

Published by EPA Press
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Click here for list of abbreviations