Part # Type  Shielding  Voltage  AWG  # of Elements  Jacket Diameter  Applicable Specifications 
5139/27C Pair  SupraShield (Premium Foil/Braid)  300  18  27  1.004  CA Prop 65, CE, CSA CMG, CSA FT4, IEC 60332-1, IEC 60332-2, UL 60C OIL, UL AWM 1569, UL AWM 2464, UL CM, UL SUN RES, UL VW-1 
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 Diameters (In)
1) Component 1 27 X 1 PAIR 
a) Conductor 18 (16/30) AWG Tinned Copper 0.047
b) Insulation 0.016" Wall, Nom. PVC 0.079
(1) Color Code Alpha Wire Color Code A
Pair Color Pair Color Pair Color
1 BLACK-RED 10 RED-BLUE19 WHITE-BLUE
2 BLACK-WHITE 11 RED-YELLOW20 WHITE-BROWN
3 BLACK-GREEN 12 RED-BROWN21 WHITE-ORANGE
4 BLACK-BLUE 13 RED-ORANGE22 WHITE-YELLOW
5 BLACK-BROWN 14 GREEN-BLUE23 BLUE-BROWN
6 BLACK-YELLOW 15 GREEN-WHITE24 BLUE-ORANGE
7 BLACK-ORANGE 16 GREEN-BROWN25 BLUE-YELLOW
8 RED-GREEN 17 GREEN-ORANGE26 BROWN-ORANGE
9 RED-WHITE 18 GREEN-YELLOW27 BROWN-YELLOW
c) Pair 2/Cond Cabled Together 
(1) Twists: 5.3 Twists/foot (min) 
2) Cable Assembly 27 Components Cabled 
a) Twists: 1.3 Twists/foot (min) 
b) Orientation: Components to be arranged from INSIDE LAYER to OUTSIDE LAYER 
c) Core Wrap Nonwoven Polyester Tape, 25% Overlap, Min. 
3) Shield: A/P/A Tape, 25% Overlap, Min. 
a) Drain Wire 18 (16/30) AWG Tinned Copper 
b) Braid Tinned Copper,70% Coverage, Min. 
4) Jacket 0.083" Wall, Nom.,PVC1.000 (1.036 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 5139/27C 27PR 18 AWG
XTRAGUARD(R) 1 SHIELDED (UL) TYPE CM 105C OR AWM
2464 80C 300V OR AWM 21894 105C 300V SUN RES 60C
OIL VW-1 OR C(UL) TYPE CMG 105C FT4
CE ROHS (SEQ FOOTAGE)
* = Factory Code
[Note: Product may have c(UL) or CSA markings depending upon plant of manufacture.]
1) UL   
a) Component 1 AWM/STYLE 1569 105°C / 300 VRMS
b) Overall AWM/STYLE 21894 105°C / 300 VRMS
 SUN RES 
 60C OIL 
 AWM/STYLE 2464 80°C / 300 VRMS
 CM 105°C
 VW-1 
2) CSA International C(UL) TYPE CMG 105°C
 FT4 
3) IEC EN 60332-1 Flame Behavior 
 EN 60332-2 Flame Behavior 
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-30 to 105°C
2) Bend Radius 10X Cable Diameter
3) Pull Tension 707 Lbs, Maximum
4) Sunlight Resistance Yes
Electrical Properties(For Engineering purposes only)
1) Voltage Rating 300 VRMS
2) Mutual Capacitance32 pF/ft @1 kHz, Nominal
3) Ground Capacitance58 pF/ft @1 kHz, Nominal
4) Characteristic Impedance67 Ω
5) Inductance0.18 µH/ft, Nominal
6) Conductor DCR7.2 Ω/1000ft @20°C, Nominal
7) OA Shield DCR1.16 Ω/1000ft @20°C, Nominal
PackagingFlange x Traverse x Barrel (inches)
a) 1000 FT 48 x 26 x 18 Continuous length
b) 500 FT 36 x 14 x 12 Continuous length
c) 100 FT 24 x 14 x 12 Continuous length
d) Bulk(Made-to-order) 
 [Spool dimensions may vary slightly]

Xtra-Guard® 1 - High performance in a tough PVC cable Ultraviolet LightEMI NoiseOil, Chemicals, Solvents, Fuels

  • High-performance cable for general-purpose applications
  • Features a unique, premium-grade PVC insulation and jacket for easier routing of cable in small spaces
  • Provides resistance to oils per UL Oil Res I (60C OIL RES) and Class 43
  • UL SUN RES
  • Designed for use in ambient temperatures up to 105 ° C
  • Temperature range of -35 ° C to + 105 ° C (SR-PVC) and -30 ° C to + 105 ° C (PVC)
  • Provides exceptional protection against EMI interference When Supra-Shield is specified


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