Part # Type  Shielding  Voltage  AWG  # of Elements  Jacket Material  Insulation Material  Jacket Diameter  Applicable Specifications 
1898/4C Conductor  UNSHIELDED  300  18  PVC  PVC  0.231  CA Prop 65, CSA CMG, CSA FT4, UL AWM 2509, UL CM, UL VW-1 
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 Diameters (In)
1) Component 1 4 X 1 COND 
a) Conductor 18 (16/30) AWG TC 0.047
b) Insulation 0.016" Wall, Nom. PVC 0.079
(1) Color Code Alpha Wire Color Code D
Cond Color Cond Color Cond Color
1 BLACK 3 WHITE 
2 RED 4 GREEN 
2) Cable Assembly 4 Components Cabled 
a) Twists: 4.4 Twists/foot (min) 
3) Jacket 0.020" Wall, Nom.,PVC0.231 (0.242 Max.)
a) Color(s) SLATE
b) Print ALPHA WIRE-* P/N 1898/4C 4C 18 AWG
(UL) 75C TYPE CM OR AWM 2509 --- LLXXXXXX
CSA TYPE CMG FT4 CE ROHS
* = Factory Code
[Note: Product may have c(UL) or CSA markings depending upon plant of manufacture.]
1) UL AWM/STYLE 2509 80°C / 300 VRMS
 CM 75°C
 VW-1 
2) CSA International CMG 60°C
 FT4 
3) CE:EU Low Voltage Directive 2006/95/EC
1) CE: EU Directive 2011/65/EU(RoHS2):
 This product complies with European Directive 2011/65/EU (RoHS Directive) of the European Parliament and of the Council of 8 June 2011. 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:The outer surface materials used in the manufacture of this part meet the requirements of California Proposition 65.
Physical & Mechanical Properties
1) Temperature Range-20 to 80°C
2) Bend Radius 10X Cable Diameter
3) Pull Tension 50 Lbs, Maximum
Electrical Properties(For Engineering purposes only)
1) Voltage Rating 300 VRMS
2) Capacitance 33 pf/ft @1 kHz, Nominal Conductor to Conductor
3) Inductance0.18 µH/ft, Nominal
4) Conductor DCR7.2 Ω/1000ft @20°C, Nominal
PackagingFlange x Traverse x Barrel (inches)
a) 1000 FT 12 x 10 x 5 Continuous length
b) 500 FT 12 x 4.5 x 3.5 Continuous length
c) 100 FT 6.5 x 4 x 2.5 Continuous length
 [Spool dimensions may vary slightly]

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

Flexible shielding options:

  • Unshielded
  • Overall foil shield
  • Overall foil/braid
  • Individual foil-shielded pairs
  • Individual foil-shielded pairs with overall foil/braid

Low capacitance cables for improved transmission distances and signal integrity.

Communication, Control, and Industrial Cable Brochure

Multiconductor Cable Conductor Color Codes

Multipair Cable Conductor Color Codes

Need a more unique construction? Request a Custom Cable Design

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