Part # Type  Shielding  Voltage  AWG  # of Elements  Jacket Material  Jacket Diameter  Applicable Specifications 
M38940 Conductor  UNSHIELDED  300  24  40  PVC  0.389  CA Prop 65, CSA CMG, CSA FT4, REACH Regulation (EC 1907/2006), UL AWM 2464, UL CMG 
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 Diameters (In)
1) Component 1 40 X 1 COND 
a) Conductor 24 (7/32) AWG TC 0.024
b) Insulation 0.010" Wall, Nom. PVC, Semi Rigid 0.044
(1) Color Code Alpha Wire Color Code E
Cond Color Cond Color Cond Color
1 BLACK 15 WHITE/YELLOW29 WHITE/BROWN/ORANGE
2 BROWN 16 WHITE/GREEN30 WHITE/BROWN/YELLOW
3 RED 17 WHITE/BLUE31 WHITE/BROWN/GREEN
4 ORANGE 18 WHITE/VIOLET32 WHITE/BROWN/BLUE
5 YELLOW 19 WHITE/SLATE33 WHITE/BROWN/VIOLET
6 GREEN 20 WHITE/BLACK/BROWN34 WHITE/BROWN/SLATE
7 BLUE 21 WHITE/BLACK/RED35 WHITE/RED/ORANGE
8 VIOLET 22 WHITE/BLACK/ORANGE36 WHITE/RED/YELLOW
9 SLATE 23 WHITE/BLACK/YELLOW37 WHITE/RED/GREEN
10 WHITE 24 WHITE/BLACK/GREEN38 WHITE/RED/BLUE
11 WHITE/BLACK 25 WHITE/BLACK/BLUE39 WHITE/RED/VIOLET
12 WHITE/BROWN 26 WHITE/BLACK/VIOLET40 WHITE/RED/SLATE
13 WHITE/RED 27 WHITE/BLACK/SLATE 
14 WHITE/ORANGE 28 WHITE/BROWN/RED 
2) Cable Assembly 40 Components Cabled 
a) Twists: 2.5 Twists/foot (min) 
b) Core Wrap Clear Mylar Tape, 25% Overlap, Min. 
3) Jacket 0.032" Wall, Nom.,PVC0.389 (0.412 Max.)
a) Color(s) SLATE
b) Print ALPHA WIRE-* P/N M38940 40C 24 AWG
EXXXXXXX 75C CMG(UL) C(UL) OR
AWM STYLE 2464 CE ROHS
* = Factory Code
[Note: Product may have c(UL) or CSA markings depending upon plant of manufacture.]
1) UL AWM/STYLE 2464 80°C / 300 VRMS
 CMG 75°C
2) CSA International C(UL) TYPE CMG 75°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 80°C
2) Bend Radius 10X Cable Diameter
3) Pull Tension 141 Lbs, Maximum
Electrical Properties(For Engineering purposes only)
1) Voltage Rating 300 VRMS
2) Capacitance 21.8 pf/ft @1 kHz, Nominal Conductor to Conductor
3) Inductance0.19 µH/ft, Nominal
4) Conductor DCR26 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
c) 100 FT 12 x 10 x 5 Continuous length
d) Bulk(Made-to-order) 
 [Spool dimensions may vary slightly]

Communication and Control Cable:

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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

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