OUTDOOR CABLES

INSTRUMENTATION CABLE

Generally to BS:5308 Part-2 (PVC Insulation)

Ipsum

Typical Cross section of 72 Fibre

 

Resistance, as per BS 6360

Cross Sectional Area Maximum Resistance at 20°C/Km
Class - 1
Solid Copper Conductor
Class - 2
Stranded Copper Conductor
Class - 5
Flexible Copper Conductor
Sqmm Plain Tinned Plain Tinned Plain Tinned
0.50 36.0 36.7 36.0 36.7 39.0 40.1
0.75 24.5 24.8 24.5 24.8 26.0 26.7
1.00 18.1 18.2 18.1 18.2 19.5 20.0
1.50 12.1 12. 2 12.1 12.2 13.3 13.7

Max. Mutual Capacitance at 1 kHz.
Core to Core : 250 nF/Km
Core to Screen : 450 nF/Km
 

L/R ratio (Max):
1.5 Sqmm - 40 Micro Henry/Ω
0.5/0.75/1.0 Sqmm - 25 Micro Henry/Ω
 

Cable Construction Details

Operating Voltage : 300/500V
Size : Available in following no of pairs : 1, 2 (1 Quad), 5, 10, 15, 20, 30 and 50 Pairs
Conductor: Solid/Stranded/Flexible Annealed Bare/Tinned copper class 1/2/5 to BS:6360
Insulation & Pairing / Quading Conductors are insulated with solid Polyethylene Type 03 as per BS:6234, uniformly twisted together to form a pair / quad with a max. lay length of 100 mm, and colour coded for identification.
Colour Code: As per BS:5308 Part-1
Pair shield(for individual pair Shielded cables only) Each twisted pair shielded with aluminium backed polyester tape and a tinned copper drain wire of size 0.5mm² .
Assembly Twister pairs are cabled with nonhygroscopic fillers if necessary
Overall shield The entire assembly is shielded with aluminium polyester tape and a tinned copper drain wire of size 0.5mm².
Bedding:(applicable for Type 2 Cables) Extruded Black Polyethylene Type 2 C or 03 as per BS:6234.
Wire Armouring (applicable for Type 2 Cables) A serving of round galvanized steel wires as per BS:1442 is applied.
Sheath Type - 1 & 2 Extruded Black PVC Type TM1 of BS:6746.