Part # Type  Shielding  Voltage  AWG  # of Elements  Jacket Diameter  Applicable Specifications 
45271 Pair  SupraShield (Premium Foil/Braid)  300  24  0.228  CA Prop 65, CE, CSA AWM I/II A/B, CSA FT1, Pennsylvania Bureau of Mine Safety Approved, UL AWM 20237, UL AWM 21918 
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 Diameters (In)
1) Component 1 1 X 1 PAIR 
a) Conductor 24 (7/32) AWG Tinned Copper 0.024
b) Insulation 0.016" Wall, Nom. TPE 0.056
(1) Color Code Alpha Wire Color Code B
Pair Color Pair Color Pair Color
c) Cabling 2 COND Cabled 
(1) Twists: 9.6 Twists/foot (min) 
(2) Orientation: Components to be arranged from INSIDE LAYER to OUTSIDE LAYER 
(3) Core Wrap Nonwoven Polyester Tape, 25% Overlap, Min. 
2) Shield: A/P/A Tape, 25% Overlap, Min. 
a) Drain Wire 24 (7/32) AWG Tinned Copper 
b) Braid Tinned Copper,70% Coverage, Min. 
3) Jacket 0.042" Wall, Nom.,TPE0.228 (0.238 Max.)
a) Color(s) Slate, Black, Yellow, Orange, Blue, Green, Red, Sand Beige, White
b) Ripcord 1 End 810 Denier Nylon 
c) Print ALPHA WIRE-* P/N 45271
XTRAGUARD(R) 4 RU AWM 20237/21918 125C 300V SUN
P-07-KA140023-MSHA CE ROHS
* = Factory Code
1) UL AWM/STYLE 20237 125°C / 300 VRMS
 AWM/STYLE 21918 125°C / 300 VRMS
2) CSA International C(RU) AWM I/II A/B FT1 125°C / 300 VRMS
 SUN RES (Black only) 
4) CE:EU Low Voltage Directive 2014/35/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-50 to 125°C
2) Bend Radius 10X Cable Diameter
3) Pull Tension 13.2 Lbs, Maximum
4) Sunlight Resistance Yes
Electrical Properties(For Engineering purposes only)
1) Voltage Rating 300 VRMS
2) Mutual Capacitance19.4 pF/ft @1 kHz, Nominal
3) Ground Capacitance35 pF/ft @1 kHz, Nominal
4) Characteristic Impedance83 Ω
5) Inductance0.22 µH/ft, Nominal
6) Conductor DCR25 Ω/1000ft @20°C, Nominal
7) OA Shield DCR5.3 Ω/1000ft @20°C, Nominal
PackagingFlange x Traverse x Barrel (inches)
a) Bulk(Made-to-order) 
a) Print legend will contain CSA SUN RES on black cables only.

Xtra-Guard® 4 - Handles extreme hot and cold temperatures High TemperatureLow TemperatureUltraviolet LightEMI Noise

  • Extended-temperature cable with a temperature range from -50°C to +125°C
  • Features a high-performance TPE insulation and jacket offering three times the low-temperature flexibility of ordinary PVC
  • Outstanding ultraviolet light stability in all jacket colors
  • UL Rated TC 600 V and PLTC 300 V for cable tray applications (except 24 AWG)
  • Pennsylvania Bureau Deep Mining Safety approved for mine-wide monitoring systems
  • Provides exceptional protection against EMI interference when Supra-Shield is specified

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