Wessbell Electronics

Products

Thhn

Application:

THHN Wire and TFFN Wire are general purpose wiring in accordance with the NEC, maximum conductor temperature of 90°C in dry locations and 75°C in wet locations, 600 volts for installation in conduit or other recognized raceway. For wiring of machine tools, appliances and control circuits not exceeding 600 volts.


Description:

  • Conductor of soft drawn bare copper
  • Primary Insulation of PVC with NYLON jacket.
  • UL listed Stds. 83 & 1063 as: Type THHN 90°C in dry locations, Type THWN 75°C in wet locations.
  • Gasoline and oil resistant II. Type MTW 90°C Machine Tool Wire (stranded only) 105°C AWM, 80°C where exposed to oil.
  • CSA approval available upon request.

Part Number AWG Size Stranding Suggested
Ampacities
Pounds per 1000 ft
TFFN 18 18 16/30 6 8
TFFN 16 16 26/30 8 12
THHN 14 14 19/27 15 16
THHN 12 12 19/25 20 25
THHN 10 10 19/23 30 39
THHN 8 8 19/21 55 66
THHN 6 6 19/.0372 75 98
THHN 4 4 19/.0469 95 155
THHN 3 3 19/.0526 110 190
THHN 2 2 19/.0591 130 235
THHN 1 1 19/.0664 150 300
THHN 1/0 1/0 19/.0745 170 370
THHN 2/0 2/0 19/.0837 195 460
THHN 3/0 3/0 19/.0940 225 570
THHN 4/0 4/0 19/.1055 260 710
THHN 250 250 MCM 37/.0822 290 845
THHN 350 350 MCM 37/.0973 350 1165
THHN 500 500 MCM 37 430 1660
THHN 600 600 MCM 61 475 2020
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