The CW1308B multi-pair internal telephone cables are manufactured in accordance with BT type CW1308. These cores are twisted into pairs and the required number of pairs are then laid up in either layers for cables containing up to and including 25 pairs, or in units for items of 32 pairs and above, the pairs are colour coded for ease of identification. An earth conductor of 1.38mm plain copper is included where shown.
The CW1308B telephone cables are constructed in a similar way to standard CW1308 but are suitable for internal and external use due to a UV resistant jacket. The cable's specification is further enhanced by the use of Low Smoke Zero Halogen (LSOH) Outer Sheath.
NC-CW1128 and NC-CW1128-1198
Multi-pair external grade telephone cables are compliant with CW1128 and for steel wire armoured version CW1128-1198. The cables are grease filled for moisture protection and suitable for direct burial.
Plain annealed solid copper wire; polyethylene insulated twisted pair, continuity wire, metalised polyester screen, fire retardant tape, HFFR sheath. The CW1600 cable is designed for use internally where there is a risk of fire, this cable is compliant with BS6701:2016+A1:2017: Telecommunications equipment and telecommunications cabling. Specification for installation, operation and maintenance. Specification for installation, operation and maintenance, with a minimum CPR classification of Cca (s1b, d2, a2).