Transformer Lead Cable
Bare, soft, stranded copper cable per ASTM specifications with paper wall insulation of various thicknesses.
MARKETS
Transformers:
General
Utility Distribution Transformers
Utility Power Transformers
Specialty Transformers
FEATURES AND BENEFITS
- The insulation is thermally upgraded, 2 way stretch crepe paper or DuPont® Nomex® 411 crepe insulation.
- Cable is also available with open cotton braid over the insulation.
- Construction is multiple layers, helically wrapped, with the last tape glued in place. The outer layer has the the size and wall build printed on the cable.
TYPICAL APPLICATIONS
Utility transformers.
| Flange Diameter | Traverse | Arbor | Overall Width | Drum Diameter |
|---|---|---|---|---|
| 24″ W&M | 6″ | 1 9/16″ | 8″ | 14″ |
| 22″ Wood | 11″ | 5″ | 12 1/2″ | 12″ |
| 30″ Wood | 11″ | 5″ | 12 1/2″ | 16″ |
| 36″ Wood | 18″ | 3 5/8″ | 22″ | 24″ |
| 42″ Wood | 24″ | 3 5/8″ | 28″ | 24″ |
| 48″ Wood | 24″ | 3 5/8″ | 28″ | 24″ |
| Packages | Recommended for | Preferred Sizes |
|---|---|---|
| 6×24″W&M | Small sizes/Short lengths | 8 AWG & smaller |
| 11×22″ W | Small sizes/Medium lengths | 6 AWG & smaller |
| 11×30″ W | Intermediate sizes/Short lengths | 6 AWGto 3 AWG |
| 11×36″ W | Small sizes/Long lengths | 4 AWGto 1 AWG |
| 11×36″W | Intermediate sizes/Medium lengths | 4 AWGto 1 AWG |
| 24×42″ W | Intermediate sizes/Medium lengths | 2 AWG to 350 MCM |
| 24×42″ W | Large sizes/Short lenghts | 2 AWG to 350 MCM |
| 24×48″ W | Largest size – Approximately 750 to 1000′ | 1/0 AWG & larger |
| Size-Strands | Construction | Bare OD Inches |
Bare OD mm |
mm2 Circular Mill Area |
Nom. Lb/mft Bare |
|---|---|---|---|---|---|
| 14-7 | 7/.0242 | 0.073 | 1.8 | 2.1 | 13 |
| 12-7 | 7/.0305 | 0.092 | 2.3 | 3.3 | 20 |
| 10-7 | 7/.0385 | 0.116 | 2.9 | 5.3 | 33 |
| 10-19 | 19/.0234 | 0.117 | 3.0 | 5.3 | 33 |
| 8-19 | 19/.0295 | 0.146 | 3.7 | 8.4 | 51 |
| 6-19 | 19/.0372 | 0.184 | 4.7 | 13.3 | 82 |
| 4-19 | 19/.0469 | 0.235 | 6.0 | 21.2 | 129 |
| 3-19 | 19/.0526 | 0.263 | 6.7 | 26.6 | 163 |
| 2-37 | 37/.0424 | 0.297 | 7.5 | 33.7 | 207 |
| 1/0-37 | 37/.0534 | 0.374 | 9.5 | 53.5 | 326 |
| 1/0-61 | 61/.0416 | 0.375 | 9.5 | 53.5 | 329 |
| 50mm2-247 | 19×13/24ga | 0.396 | 10.1 | 50.6 | 318 |
| 1/0-133 | 19×7/.0282 | 0.415 | 10.5 | 53.6 | 336 |
| 1/0-988 | 19×52/30ga | 0.420 | 10.7 | 50.1 | 332 |
| 2/0-133 | 19×7/.0316 | 0.474 | 12.0 | 67.3 | 419 |
| 3/0-133 | 19×7/.0355 | 0.528 | 13.4 | 84.9 | 539 |
| 4/0-37 | 37/.0756 | 0.529 | 13.4 | 107.2 | 653 |
| 95mm2-741 | 19×39/26ga | 0.561 | 14.2 | 94.9 | 581 |
| 4/0-133 | 19×7/.0399 | 0.590 | 15.0 | 107.3 | 680 |
| 4/0-259 | 37×7/.0286 | 0.591 | 15.0 | 107.3 | 673 |
| 4/0-2107 | 7x7x43/30awg | 0.623 | 15.8 | 106.8 | 680 |
| 250-259 | 37×7/.0311 | 0.640 | 16.3 | 126.9 | 815 |
| 300-259 | 37×7/.034 | 0.698 | 17.7 | 152.6 | 968 |
| 150mm-740 | 37×20/24ga | 0.703 | 17.9 | 151.5 | 959 |
| 350-427 | 61×7/.0286 | 0.757 | 19.2 | 177.0 | 1,112 |
| 350-259 | 37×7/.0368 | 0.773 | 19.6 | 177.7 | 1,110 |
| 400-259 | 37×7/.0393 | 0.825 | 21.0 | 202.7 | 1,265 |
| 450-427 | 61×7/.0325 | 0.865 | 22.0 | 228.5 | 1,462 |
| 250mm2-1554 | 37/42/.0177 | 0.905 | 23.0 | 246.7 | 1,504 |
| 500-427 | 61×7/.0342 | 0.923 | 23.4 | 253.1 | 1,613 |
| 300mm2-1525 | 61×25/.0197 | 0.999 | 25.4 | 299.9 | 1,883 |
| 600-427 | 61×7/.0375 | 0.999 | 25.4 | 304.3 | 1,910 |
| 650-703 | 37×19/.0304 | 1.050 | 26.7 | 329.2 | 2,085 |
| 400mm2-1961 | 37×53/24ga | 1.110 | 28.2 | 401.4 | 2,478 |
| 750-703 | 37×19/0327 | 1.120 | 28.4 | 380.9 | 2,412 |
| 800-427 | 61×7/.0433 | 1.169 | 29.7 | 405.7 | 2,544 |
| 500mm2-2442 | 37×66/24ga | 1.270 | 32.3 | 499.9 | 3,076 |
| 1000-703 | 37×19/0377 | 1.320 | 33.5 | 506.3 | 3,206 |