THHN/THWN, 600V, Type TC control Cable

Application

Type TC Control Cable is for use in industrial power or control circuits where small diameter, flame retardant cables are desired. Primary installations include cable trays, raceways, and outdoor locations where supported by a messenger wire. Type TC is also listed for direct burial and for use in Class 1, Division 2 hazardous locations and Class 1 control circuits. Constructions with 3 or more conductors are listed for exposed runs (TC-ER) per NEC 336.10. Conductors may be used at temperatures not to exceed 75°C in wet locations or 90°C in dry locations. 130°C for emergency overload ratings, and 250°C for short circuit ratings. Not recommended in D.C. operation in wet locations.

Compliances

  • NFPA 70 (NEC)
  • UL 1581 - Electrical Wires, Cables and Flexible Cords
  • ICEA S-58-679 - Control Cable Conductor Identification Method 1, Table 2
  • UL 1685 - UL Flame Exposure Test (70,000 Btu/hr)

Construction

THHN/THWN, 600V, Type TC Power Cable
Conductor Soft annealed bare copper, Class B stranding per ASTM B8
Insulation Polyvinyl chloride (PVC) insulation over with a nylon (polyamide) jacket applied
Ground Wire Soft annealed bare copper, Class B stranding per ASTM B8
Assembly Three or more conductors will be cabled round with fillers and a nylon rip cord is put under the jacket for ease of stripping
Jacket Heat retardant, moisture and sunlight resistant PVC
Color Upon request, black is preferable

Parameters

Insulation thickness 16-12AWG PVC 15mils(0.38mm) Nylon 4mils(0.10mm)
  10AWG PVC 20mils(0.50mm) Nylon 4mils(0.10mm)

AWG 16 (26 strands) - Type TC-TFFN* Conductors

Number of Conductors Nominal jacket thickness Nominal Overall Diameter Cable weight
Inch/mm Inch/mm Lbs/kft kg/km
2 0.045 1.14 0.288 7.32 43 64
3 0.045 1.14 0.303 7.70 53 79
4 0.045 1.14 0.329 8.36 66 98
5 0.045 1.14 0.357 9.07 81 120
7 0.045 1.14 0.386 9.80 103 153
9 0.045 1.14 0.447 11.35 134 199
12 0.045 1.14 0.501 12.73 165 245
15 0.060 1.52 0.585 14.86 218 324
19 0.060 1.52 0.614 15.60 263 391
25 0.060 1.52 0.713 18.11 339 504
30 0.080 2.03 0.753 19.13 396 589
37 0.080 2.03 0.812 20.62 477 709

AWG 14 (7 strands) - Type TC-THHN or THWN Conductors

Number of Conductors Nominal jacket thickness Nominal Overall Diameter Cable weight
Inch/mm Inch/mm Lbs/kft kg/km
2 0.045 1.14 0.305 7.8 56 83
3 0.045 1.14 0.322 8.2 74 110
4 0.045 1.14 0.350 8.9 93 139
5 0.045 1.14 0.381 9.7 109 162
6 0.045 1.14 0.413 10.5 129 192
7 0.045 1.14 0.413 10.5 145 215
8 0.045 1.14 0.446 11.3 164 243
9 0.045 1.14 0.478 12.2 182 271
10 0.060 1.52 0.550 14.0 217 322
12 0.060 1.52 0.568 14.4 251 373
15 0.060 1.52 0.627 15.9 305 454
19 0.060 1.52 0.658 16.7 373 555
20 0.060 1.52 0.691 17.6 393 584
25 0.060 1.52 0.766 19.4 483 719
30 0.060 1.52 0.810 20.6 568 845
37 0.080 2.03 0.913 23.2 720 1072

AWG 12 (7 strands) - Type TC-THHN or THWN Conductors

Number of Conductors Nominal jacket thickness Nominal Overall Diameter Cable weight
Inch/mm Inch/mm Lbs/kft kg/km
2 0.045 1.14 0.340 8.6 75 112
3 0.045 1.14 0.360 9.2 105 156
4 0.045 1.14 0.392 10.0 128 190
5 0.045 1.14 0.428 10.9 154 229
6 0.045 1.14 0.466 11.8 183 272
7 0.045 1.14 0.466 11.8 207 308
8 0.045 1.14 0.504 12.8 234 349
9 0.060 1.52 0.572 14.5 277 412
10 0.060 1.52 0.621 15.8 307 457
12 0.060 1.52 0.641 16.3 358 532
15 0.060 1.52 0.710 18.0 438 652
19 0.060 1.52 0.746 18.9 539 802
20 0.060 1.52 0.785 19.9 568 845
25 0.080 2.03 0.911 23.1 734 1092
30 0.080 2.03 0.963 24.4 863 1284
37 0.080 2.03 1.036 26.3 1044 1553

AWG 10 (7 strands) Type TC-THHN or THWN Conductors

Number of Conductors Nominal jacket thickness Nominal Overall Diameter Cable weight
Inch/mm Inch/mm Lbs/kft kg/km
2 0.045 1.14 0.407 10.3 111 166
3 0.045 1.14 0.433 11.0 155 230
4 0.045 1.14 0.473 12.0 198 294
5 0.060 1.52 0.549 13.9 250 371
6 0.060 1.52 0.596 15.1 294 437
7 0.060 1.52 0.596 15.1 333 495
8 0.060 1.52 0.645 16.4 377 561
9 0.060 1.52 0.693 17.6 421 626
10 0.060 1.52 0.755 19.2 467 694
12 0.060 1.52 0.780 19.8 547 814
15 0.080 2.03 0.908 23.1 706 1050
19 0.080 2.03 0.954 24.2 867 1291
20 0.080 2.03 1.003 25.5 913 1359
25 0.080 2.03 1.112 28.2 1125 1675
30 0.080 2.03 1.177 29.9 1329 1977
37 0.080 2.03 1.271 32.3 1614 2402
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