Part # Type  Shielding  Voltage  AWG  # of Elements  Jacket Material  Jacket Diameter  Applicable Specifications 
3420 Conductor  BRAID  1000  18  20  PVC  0.55  CA Prop 65, MIL-W-16878/Type C 
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 Diameters (In)
1) Component 1 20 X 1 COND 
a) Conductor 18 (19/30) AWG TC 0.050
b) Insulation 0.016" Wall, Nom. PVC 0.082
(1) Color Code Alpha Wire Color Code F
Cond Color Cond Color Cond Color
1 BLACK 8 RED/BLACK15 BLUE/WHITE
2 WHITE 9 GREEN/BLACK16 BLACK/RED
3 RED 10 ORANGE/BLACK17 WHITE/RED
4 GREEN 11 BLUE/BLACK18 ORANGE/RED
5 ORANGE 12 BLACK/WHITE19 BLUE/RED
6 BLUE 13 RED/WHITE20 RED/GREEN
7 WHITE/BLACK 14 GREEN/WHITE 
2) Cable Assembly 20 Components Cabled 
a) Twists: 1.9 Twists/foot (min) 
b) Core Wrap Clear Mylar Tape, 25% Overlap, Min. 
3) Shield TC BRAID Shield,90% Coverage, Min. 
4) Jacket 0.045" Wall, Nom.,PVC0.550 (0.570 Max.)
a) Color(s) SLATE
b) Print ALPHA WIRE-* P/N 3420
CE ROHS
* = Factory Code
1) Military   
a) Component 1 MIL-W-16878/Type C 105°C / 1000 VRMS
2) CE:EU Low Voltage Directive 2006/95/EC
1) CE: EU Directive 2011/65/EU(RoHS2), EU Directive 2015/863/EU (RoHS3):
 This product complies with European Directive 2011/65/EU (RoHS Directive) of the European Parliament and of the Council of 8 June 2011 and the amending Directive 2015/863/EU of 4 June 2015 . No Exemptions are required for RoHS Compliance on this item. Consult Alpha Wire's web site for RoHS C of C.
2) REACH Regulation (EC 1907/2006):
 This product does not contain Substances of Very High Concern (SVHC) listed on the European Union's REACH candidate list in excess of 0.1% mass of the item. For up-to-date information, please see Alpha's REACH SVHC Declaration.
3) California Proposition 65:Exempt from warning labels based on the Consent Judgment. Please see Alpha's CA Prop 65 Statement for more information.
Physical & Mechanical Properties
1) Temperature Range-55 to 105°C
2) Bend Radius 10X Cable Diameter
3) Pull Tension 314 Lbs, Maximum
Electrical Properties(For Engineering purposes only)
1) Voltage Rating 1000 VRMS
2) Capacitance 53 pf/ft @1 kHz, Nominal Conductor to Conductor
3) Ground Capacitance95 pf/ft @1 kHz, Nominal
4) Inductance0.17 µH/ft, Nominal
5) Conductor DCR6.1 Ω/1000ft @20°C, Nominal
6) OA Shield DCR1.5 Ω/1000ft @20°C, Nominal
PackagingFlange x Traverse x Barrel (inches)
a) 1000 FT 30 x 14 x 12 Continuous length
b) 100 FT 16 x 11 x 8 Continuous length
 [Spool dimensions may vary slightly]

Communication and Control Cable:

Get Control Of Your Communication and Control Applications

Our line-up of standard communication and control cables gives you maximum choice and fewer tradeoffs. By offering you a comprehensive collection of insulation/jacketing materials, shielding options, and conductor counts, you can easily select the cable that meets your most demanding needs. We have cables that go beyond the ordinary to satisfy rigorous requirements of EMI performance, transmission distances, flexibility, and temperature extremes.

Communication and Control Typical applications:

  • Audio systems: speakers, microphones, intercoms

  • Broadcast and studio

  • Data transmission: RS-232, 422, 485

  • CAD/CAM

  • Computer peripherals

  • Business machines

  • Security systems: alarms, cameras, sensors

  • Control systems

  • Instrumentation systems

  • Point-of-sale systems

  • Banking systems

Low capacitance cables for improved transmission distances and signal integrity.

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