Cables over 25 Pairs are laid together in units of 16,20, & 30 pairs or half units of 8,10,& 15 pairs.
These units & half units are indentifiable by coloured binders. Units are then laid together to form the cable and bound with polyester tape.


Other pair combinations or larger numbers of pairs and alternative conductor sizes of CW1308 are available. Cables ending with E (e.g. CW130820E) include a 1.38mm Earth core. Colour codes to BT...

Wiring of a normal telephone extension on a normal telephone circuit requires a Secondary socket connected back to the master socket and all of the other secondary sockets in parallel...

Cables over 25 Pairs are laid together in units of 16,20, & 30 pairs or half units of 8,10,& 15 pairs. These units & half units are indentifiable by coloured binders....
Cables over 25 Pairs are laid together in units of 16,20, & 30 pairs or half units of 8,10,& 15 pairs.
These units & half units are indentifiable by coloured binders. Units are then laid together to form the cable and bound with polyester tape.

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