Part # Type  Shielding  Voltage  AWG  # of Elements  Jacket Material  Jacket Diameter  Applicable Specifications 
6428 Pair  FOIL  300  18  PVC  0.403  CA Prop 65, CSA CMG, CSA FT4, UL CM, UL PLTC, UL SUN RES 
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 Diameters (In)
1) Component 1 3 X 1 PAIR 
a) Conductor 18 (19/30) AWG TC 0.050
b) Insulation 0.016" Wall, Nom. PVC 0.082
(1) Print ALPHANUMERIC NUMBERS - 1-ONE ALTERNATING AND
INVERTED
(2) Color Code Alpha Wire Color Code BR
Pair Color Pair Color Pair Color
1 BLACK#1-RED#1 2 BLACK#2-RED#23 BLACK#3-RED#3
c) Pair 2/Cond Cabled Together 
(1) Twists: 4.8 Twists/foot (approx.) 
2) Cable Assembly 3 Components Cabled 
a) Twists: 2.8 Twists/foot (min) 
b) Core Wrap Clear Mylar Tape, 25% Overlap, Min. 
3) Shield: Alum/Mylar Tape, 25% Overlap, Min. 
a) Foil Direction Foil Facing In 
b) Drain Wire 20 (7/28) AWG TC 
4) Jacket 0.053" Wall, Nom.,PVC0.403 (0.420 Max.)
a) Color(s) SLATE
b) Print ALPHA WIRE-* P/N 6428 3PR 18 AWG
SHIELDED 105C (UL) TYPE PLTC SUN RES OR
TYPE CM OR C(UL) 60C TYPE CMG FT4 CE ROHS
* = Factory Code
[Note: Product may have c(UL) or CSA markings depending upon plant of manufacture.]
1) UL CM 105°C
 PLTC 105°C
 SUN RES 
2) CSA International C(UL) TYPE CMG 60°C
 FT4 
3) 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.
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.
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-20 to 105°C
2) Bend Radius 10X Cable Diameter
3) Pull Tension 98 Lbs, Maximum
Electrical Properties(For Engineering purposes only)
1) Voltage Rating 300 VRMS
2) Mutual Capacitance40 pf/ft @1 kHz, Nominal
3) Ground Capacitance72 pf/ft @1 kHz, Nominal
4) Characteristic Impedance57 Ω
5) Inductance0.17 µH/ft, Nominal
6) Conductor DCR6.1 Ω/1000ft @20°C, Nominal
7) OA Shield DCR7.5 Ω/1000ft @20°C, Nominal
PackagingFlange x Traverse x Barrel (inches)
a) 1000 FT 20 x 11 x 8 Continuous length
b) 500 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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