Part # Type  Shielding  Voltage  AWG  # of Elements  Jacket Material  Jacket Diameter  Applicable Specifications 
M1143 Conductor  BRAID  300  18  PVC  0.265  CA Prop 65, CSA CM, REACH Regulation (EC 1907/2006), UL AWM 2093, UL CM 
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 Diameters (In)
1) Component 1 3 X 1 COND 
a) Conductor 18 (41/34) AWG TC 0.047
b) Insulation 0.016" Wall, Nom. Polyethylene(PE) 0.079
(1) Color Code Alpha Wire Color Code H
Cond Color Cond Color Cond Color
1 BLACK 2 WHITE3 RED
2) Cable Assembly 3 Components Cabled 
a) Twists: 4.8 Twists/foot (min) 
b) Core Wrap Clear Mylar Tape, 25% Overlap, Min. 
3) Shield TC BRAID Shield,90% Coverage, Min. 
4) Jacket 0.035" Wall, Nom.,PVC0.265 (0.276 Max.)
a) Color(s) SLATE
b) Print ALPHA WIRE-* P/N M1143 3C 18 AWG
EXXXXXX 75C SHIELDED CM (UL) C(UL)
OR AWM STYLE 2093 CE ROHS
* = Factory Code
[Note: Product may have c(UL) or CSA markings depending upon plant of manufacture.]
1) UL AWM/STYLE 2093 60°C / 300 VRMS
 CM 75°C
2) CSA International C(UL) TYPE CM 75°C
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 75°C
2) Bend Radius 10X Cable Diameter
3) Pull Tension 44 Lbs, Maximum
Electrical Properties(For Engineering purposes only)
1) Voltage Rating 300 VRMS
2) Capacitance 24.2 pf/ft @1 kHz, Nominal Conductor to Conductor
3) Ground Capacitance44 pf/ft @1 kHz, Nominal
4) Inductance0.18 µH/ft, Nominal
5) Conductor DCR7 Ω/1000ft @20°C, Nominal
6) OA Shield DCR4.1 Ω/1000ft @20°C, Nominal
PackagingFlange x Traverse x Barrel (inches)
a) 1000 FT 12 x 12 x 3.5 Continuous length
b) 500 FT 12 x 6 x 3.5 Continuous length
c) 100 FT 12 x 4.5 x 3.5 Continuous length
d) Bulk(Made-to-order) 
 [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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