Page 81 - IS-Rayfast Catalogue - Issue 9, 2017

Wire and Cable
Custom Cable Designs
1. Conductor & Primary Wire Selection
Multi-conductor cables

1a. CONDUCTOR Selection 1

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Conductor size (AWG) No. Strands / Diameter Conductor OD (mm) nominal Cross sectional area (mm 2 ) Resistance (Tinned Cu) Ω/km Current carrying capacity (amps) 30ºC rise above 20ºC ambient 4

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We stock many wire constructions, gauges and max @ 20ºC 6
colours, all of which are available for forming
part of our customised multicore cable design
30 7/0.10 0.30 0.06 356.0 2.2
and build service. 7
28 7/0.13 0.38 0.09 225.0 2.9
The choice of primary wire is the first step
to designing a cable and is critical to its final 26 19/0.10 0.50 0.16 135.0 4.1
performance. 24 19/0.13 0.63 0.24 86.0 5.5 8
Listed below are our most popular wires, but 22 19/0.16 0.80 0.38 53.2 7.4
we have also provided unique multicore cables 9
20 19/0.20 1.00 0.62 32.4 10.0
that have included the following wires and
cable combinations... 18 19/0.25 1.25 0.96 20.4 14.0
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• Flexible power 16 19/0.29 1.44 1.23 15.8 15.5
• Ethernet, USB and Quadrax 14 19/0.36 1.80 1.94 9.9 21.0
• Coaxial and Triaxial RF and Video cable 12 37/0.32 2.24 2.97 6.6 28.0 11
• Optical fibres Current carrying capacities are for a single wire and should be
For more information please see relevant cable de-rated for bundles and / or higher ambient temperature than 12
20 o C. Contact IS-Group for further information.
specifications.
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1b. PRIMARY WIRE Selection Examples
Temp. Range Voltage Chemical Abrasion
Wire Type Flexibility Characteristics
ºC Rating Resistance Resistance 14
300V, 600V, High Temperature,
PTFE wire -75 to +260 Excellent Good Fair
1000V Chemical Resistance 15
600V, 1000V, Tough, Flexible, Small
44 Wire -65 to +150 Very Good Very Good Good
2500V Size, Lightweight
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Ultra lightweight, Arc
55 Wire -65 to +200 450V, 600V Very Good Excellent Fair
Tracking Resistant
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Low Flammability,
99 Wire -55 to +125 600V, 1000V Good Good Fair
Toxicity and Smoke
Low Fire Hazard and 18
100 Wire -40 to +125 300V Good Good fair
Halogen Free
www.is-rayfast.com 79