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Applications
Classic Wire Low friction type THHN or THWN-2 conductors are primarily used in conduit and cable trays for services, feeders, and branch circuits in commercial or industrial applications as specified in the National Electrical Code 2001.
When used as Type THHN, conductor is suitable for use in dry locations at temperatures not to exceed 90°C.  When used as Type THWN-2 or TWN75 conductor is suitable for use in wet or dry locations at temperatures not to exceed 90°C or not to exceed 75°C when exposed to oil or coolant.  Voltage rating for cable is 600V.
This product is designed to be installed without the application of pulling lubricant.

Construction
Conductor
: Compact stranded AA-8000 series aluminum conductor material  per ASTM B800, ASTM B801, ASTM B836, ASTM B901 (Single Input Wire), as applicable.
Insulation:  Low coefficient of friction, abrasion, moisture, and heat resistant polyvinyl chloride (PVC).
Jacket:  Low coefficient of friction, abrasion, moisture, and heat resistant nylon polyamide jacket.

Stocking most sizes in Black, Red, Blue, White, Green, Brown, Orange, Yellow, and Gray

Standards

  • UL standard UL-83, UL-758, UL-1063, UL-1581, UL-2556
  • Complies with UL's VW-1 (vertical wire) Flame Test.
  • 1/0 & larger are rated for CT use
  • Meets the requirements of the NEC.
  • NEMA WC-70 construction requirements
  • Federal Specification AA-59544.
  • Sunlight Resistant in all color sizes 6AWG and larger.
  • RoHS Compliant

Packaging

  • 250 ft  reels
  • 500 ft reels
  • 1000 ft reels
  • Master reels
  • Coils

Ampacity 
* Ampacities for not more than three conductors in raceway, based on ambient temperature of 30ºC per Table 310-15 of the 2011 NEC. 
To determine correct ampacity by conductor size, please consult the National Electric Code, latest edition.

 

 

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Item #

Size
AWG/MCM

Stranding

Conductor
Diameter
(inches)

Insulation
Thickness
(inches)

Jacket
Thickness
(inches)

Outside
Diameter
(inches)

Weight
LBS/MFT

Ampacity
90ºC
(amps)

N/A 8 N/A 7 N/A 0.134 N/A 0.03 N/A 0.005 N/A 0.204 N/A 30 N/A 45
N/A 6 N/A 7 N/A 0.169 N/A 0.03 N/A 0.005 N/A 0.239 N/A 42 N/A 60
N/A 4 N/A 7 N/A 0.213 N/A 0.04 N/A 0.006 N/A 0.305 N/A 68 N/A 75
N/A 2 N/A 7 N/A 0.268 N/A 0.04 N/A 0.006 N/A 0.360 N/A 86 N/A 100
N/A 1 N/A 18 N/A 0.299 N/A 0.05 N/A 0.007 N/A 0.413 N/A 110 N/A 115
N/A 1/0 N/A 18 N/A 0.335 N/A 0.05 N/A 0.007 N/A 0.450 N/A 134 N/A 135
N/A 2/0 N/A 18 N/A 0.378 N/A 0.05 N/A 0.007 N/A 0.490 N/A 163 N/A 150
N/A 3/0 N/A 18 N/A 0.423 N/A 0.05 N/A 0.007 N/A 0.537 N/A 200 N/A 175
N/A 4/0 N/A 18 N/A 0.476 N/A 0.05 N/A 0.007 N/A 0.589 N/A 247 N/A 205
N/A 250 N/A 35 N/A 0.520 N/A 0.06 N/A 0.008 N/A 0.656 N/A 296 N/A 230
N/A 300 N/A 35 N/A 0.571 N/A 0.06 N/A 0.008 N/A 0.706 N/A 359 N/A 255
N/A 350 N/A 35 N/A 0.614 N/A 0.06 N/A 0.008 N/A 0.752 N/A 401 N/A 280
N/A 400 N/A 35 N/A 0.657 N/A 0.06 N/A 0.008 N/A 0.795 N/A 453 N/A 305
N/A 500 N/A 35 N/A 0.736 N/A 0.06 N/A 0.008 N/A 0.872 N/A 556 N/A 350
N/A 600 N/A 58 N/A 0.816 N/A 0.07 N/A 0.009 N/A 0.971 N/A 679 N/A 385
N/A 700 N/A 58 N/A 0.877 N/A 0.07 N/A 0.009 N/A 1.035 N/A 782 N/A 420
N/A 750 N/A 58 N/A 0.909 N/A 0.07 N/A 0.009 N/A 1.066 N/A 833 N/A 435
N/A 900 N/A 58 N/A 0.999 N/A 0.07 N/A 0.009 N/A 1.139 N/A 987 N/A 480
N/A 1000 N/A 58 N/A 1.059 N/A 0.07 N/A 0.009 N/A 1.218 N/A 1090 N/A 500
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