Detailed Product Description

B2.1.1.1 BS5308 Part 1 Collectively Screened, Unarmored Type-1
Cables B2.2
B2.1.1.2 BS5308 Part 1 Collectively Screened, Armored Type2
Cables. B2.3
B2.1.1.3 BS5308 Part 1 Individually & Collectively Screened,
Unarmored Type 1 Cables. B2.4
B2.1.1.4 BS5308 Part 1 Individually & Collectively Screened,
Armored Type 2 Cables. B2.5

Construction
Constructors Plain annealed copper conductors
complying with BS6360
Insulation Polyethylene type 03 to BS 6234
Pairing Two insulated conductors uniformly twisted
together with a lay length not exceeding 100mm
Pair identification
COLLECTIVELY SCREENED CABLES - Colour coded in
accordance with Appendix 1 or by numbered tape.
Individual Pair ScreenedCables One blue core and one
black core in each pair. Pairs are identified by a numbered
pair screen isolation tape or colour coded as per
appendix-1.

metallic side down in continuous electrical conduct with a
0.5mm2 tinned copper drain wire. An isolation tape is
applied over the screen tape.
Cable Assembly Pairs are assembled in concentric layers
using the reciprocating lay technique
Binder A non-hygroscopic binder tape is applied over the
final lair of pairs.
Collective Screen An aluminum / polyester tape is applied
with the metallic side down in continuous electrical conduct
with a 0.5mm2 tinned copper drain wire over the binder
tape.
Outer Protection
TYPE 1 Extruded PVC sheath of type TM1
TYPE 2 Extruded polyethylene bedding of type 2C or
type 03 black Galvanized steel wire Armour Extruded
PVC sheath type TM1 Standard sheath colour Black