Part # Type  Shielding  Voltage  AWG  # of Elements  Jacket Diameter  Applicable Specifications 
M18103RW Conductor  UNSHIELDED  600  18  0.301  CA Prop 65, CE, CSA AWM I/II A/B, CSA FT4, UL DIRECT BURIAL, UL EXPOSED RUN, UL MTW, UL OIL RES I, UL PLTC, UL SUN RES, UL TC, UL WTTC 
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 Diameters (In)
1) Component 1 3 X 1 COND 
a) Conductor 18 (19/30) AWG Bare Copper 0.050
b) Insulation 0.016" Wall, Nom. PVC/ 0.005" Wall NYLON 0.092
(1) Print ALPHANUMERIC NUMBERS - 1-ONE ALTERNATING AND
INVERTED
(2) Color Code Alpha Wire Color Code RX
Cond Color Cond Color Cond Color
1 GREEN/YELLOW 2 RED#13 RED#2
2) Cable Assembly 3 Components Cabled 
a) Twists: 4.4 Twists/foot (min) 
b) Orientation: Components to be arranged from OUTSIDE LAYER to INSIDE LAYER 
c) Core Wrap Clear Mylar Tape, 25% Overlap, Min. 
3) Jacket 0.050" Wall, Nom.,PVC0.301+/- 0.018
a) Color(s) SLATE
b) Print ALPHA WIRE-* P/N M18103RW 3C 18 AWG (0.963mm2)
SERIES M (UL) WTTC 90C WET/DRY 1000V OR
(UL) TC-ER 90C WET/DRY 600V SUN RES
DIR BUR OIL RES I OR MTW 18 AWG OR (UL) PLTC 90C
OR CRU AWM I/II A/B 90C 600V FT4
CE ROHS (DATE CODE) (SEQ FOOTAGE)
* = Factory Code
1) UL TC 90°C Dry / 90°C Wet / 600 VRMS
 EXPOSED RUN 
 DIRECT BURIAL 
 SUN RES 
 PLTC 90°C
 OIL RES I 
 MTW 90°C Dry / 60°C Wet / 600 VRMS
 WTTC 90°C Dry / 90°C Wet / 1000 VRMS
2) CSA International C(RU) AWM I/II A/B 90°C / 600 VRMS
 FT4 
3) Other Conductors ASTM Class K 
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.
Physical & Mechanical Properties
1) Temperature Range-30 to 90°C(static), -5 to 90°C (dynamic)
2) Bend Radius 8X Cable Diameter(static), 8X Cable Diameter(dynamic)
3) Pull Tension 45 Lbs, Maximum
4) Sunlight Resistance Yes
5) Direct Burial Yes
Electrical Properties(For Engineering purposes only)
1) Voltage Rating 600 VRMS
2) Capacitance 30 pF/ft @1 kHz, Nominal Conductor to Conductor
3) Inductance0.19 µH/ft, Nominal
4) Conductor DCR5.6 Ω/1000ft @20°C, Nominal
PackagingFlange x Traverse x Barrel (inches)
a) Bulk(Made-to-order) 
Notes:
a) Suitable for intermittent or light duty flexing where cycle count will be less than 1,500,000 cycles.

Industrial Series M (Cable Trays):

Alpha Wire's Series M control cable offers industry-leading mechanical and electrical performance for stationary cable trays.

Series M Key features:

  • 18 – 8 AWG
  • 3 – 65 conductors
  • PVC/nylon insulation
  • Oil-resistant PVC jacket
  • UL Type TC-ER (600 V)
  • UL Type MTW (600V)
  • UL Type WTTC (600V)
  • UL Type PLTC (300 V) (18-12AWG only)
  • Direct burial
  • Sunlight resistant
  • UL Oil Res. I
  • Rated for up to 1.5 million flex life cycles

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