Application:
General purpose building wire for services, feeders and branch circuits. Suitable for use in conduit and raceways; 1/0 and larger for cable tray use.

Construction:
  • Conductor is bare annealed copper per ASTM B-3.
  • Stranded conductors per ASTM B-8 or B-787.
  • Insulation is color coded premium grade flame retardant PVC (polyvinyl chloride).
  • Jacket is tough polyamide nylon.
  • VW-1 AWG rated through 4/0 AWG.
  • 1/0 AWG and larger rated for CT use.
  • 1/0 AWG and larger rated Sunlight Resistant.
  • Gasoline and Oil Resistant II.
  • Resistant to abrasion, acids, alkalines, ozone, and water.
Standards:
  • ASTM B-3 and B-8 or B-787
  • UL Standard 83 - THHN/THWN-2
  • UL Standard 1063 for machine tool wire
  • NEMA WC5/ICEA S-61-402
  • Federal Specification JC-30B
  • OSHA acceptable
  • NFPA 70 (NEC®)
  • NFPA 79 AWM 600 V 105 ºC (75 ºC in oil).
Unit of Measure
Items
CU THHN/THWN-2

THHN/THWN-2 Copper Conductor 600V, 90°C Dry or 75°C Wet

CU THHN/THWN-2

THHN/THWN-2 Copper Conductor 600V, 90°C Dry or 75°C Wet

CU THHN/THWN-2

THHN/THWN-2 Copper Conductor 600V, 90°C Dry or 75°C Wet

CU THHN/THWN-2

THHN/THWN-2 Copper Conductor 600V, 90°C Dry or 75°C Wet

CU THHN/THWN-2

THHN/THWN-2 Copper Conductor 600V, 90°C Dry or 75°C Wet
Size
(AWG or kcmil)
N/A 14 N/A 12 N/A 10 N/A 14 N/A 12
Number
of
Strands
N/A Solid N/A Solid N/A Solid N/A 19 N/A 19
Insulation
Thickness
(mils)
N/A 15 N/A 15 N/A 20 N/A 15 N/A 15
Nylon
Jacket
Thickness
(Mils)
N/A 4
Approximate O.D.
(Inches)
N/A 0.102 N/A 0.118 N/A 0.150 N/A 0.110 N/A 0.128
Ampacity
75 ºC
Wet
N/A 20 N/A 25 N/A 30 N/A 20 N/A 25
Ampacity
90 ºC
Dry
N/A 25 N/A 30 N/A 40 N/A 25 N/A 30
Shipping Weight
(lbs. per MFT)
N/A 17 N/A 25 N/A 39 N/A 18 N/A 27