318B to BS 6500

Application and Description

These cables may be used as an indoor general wiring cable primarily for installations in public areas. Examples include use on pendant lighting drops or as a general supply lead within hospital or airport projects. They are suitable for installations where fire, smoke emission and toxic fumes create a potential threat to life and equipment. 318B is equivalent to harmonized code H05Z1Z1-F.

Cable Construction

318B to BS 6500 3183B - British Standard Industrial Cables
Fine bare copper strands
Stranding to BS 6360 Class 5 or IEC 60228 Class 5
Halogen-fee thermoplastic TI6 core insulation
Green/Yellow grounding (3 conductors and above)
Halogen-fee thermoplastic TM7 outer jacket

Core Identification

2 Cores Brown, Blue
3 cores Brown, Blue and Green/Yellow
4 cores Brown, Grey, Black and Green/Yellow
5 Cores Brown, Blue, Grey, Black and Green/Yellow

Technical Characteristics

Working voltage 300/500 volts
Test voltage 2500 volts
Flexing bending radius 6xOverall diameter
Fixed bending radius 4xOverall diameter
Operating temperature -30 oC to +90 oC
Short circuit temperature +160 oC
Insulation resistance 20 MΩxkm
  Halogen free acc. to EN 50267-2-1 / IEC 60754-1
  Smoke density acc. to EN 50268-2 / IEC 61034-2
  Corrosivity of gases acc. to EN 50267-2-2, IEC 60754-2
  Flame retardancy acc. to EN 50265-2-1, IEC 60332-1

Cable Parameter

AWG (No of Strands/Strand Diameter) No. of Cores x Nominal Cross Sectional Area Nominal thickness of insulation Nominal thickness of sheath Nominal overall Diameter Nominal
Copper
Weight
Nominal Weight
#xmm^2 mm mm mm kg/km kg/km
3182B
18(24/32) 2x0.75 0.6 0.8 6.2 14.4 58
17(32/32) 2x1 0.6 0.8 6.6 19 67
16(30/30) 2x1.5 0.7 0.8 7.4 29 87
14(50/30) 2x2.5 0.8 1.0 9.3 48 138
12(56/28) 2x4 0.8 1.1 10.6 76.8 190
3183B
18(24/32) 3x0.75 0.6 0.8 6.6 21.6 68
17(32/32) 3x1 0.6 0.8 6.9 29 81
16(30/30) 3x1.5 0.7 0.9 8.1 43 109
14(50/30) 3x2.5 0.8 1.1 10.1 72 172
12(56/28) 3x4 0.8 1.2 11.5 115.2 242
3184B
18(24/32) 4x0.75 0.6 0.8 7.1 29 81
17(32/32) 4x1 0.6 0.9 7.7 38 101
16(30/30) 4x1.5 0.7 1.0 9 58 117
14(50/30) 4x2.5 0.8 1.1 11 96 210
12(56/28) 4x4 0.8 1.4 12.5 153.6 298
3185B
18(24/32) 5x0.75 0.6 0.9 8 36 102
17(32/32) 5x1 0.6 0.9 8.4 48 107
16(30/30) 5x1.5 0.7 1.1 10 72 169
14(50/30) 5x2.5 0.8 1.2 12.3 120 260
12(56/28) 5x4 0.8 1.4 14.1 192 371
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