ASTM Covered Aerial Medium Voltage Covered Conductor (Spacer Cable Or Tree Wire)
Spacer Cable Or Tree Wire ApplicationCovered Aerial MV Cable – Installed with other Covered Aerial MV cables and a supporting messenger through a series of space- maintaining devices (spacers). The resulting close-proximity configuration minimizes the amount of space and hardware required for line installation, particularly useful in congested areas.
Tree Wire – Used for spans where trees crowd the right-of-way, such as in wooded residential areas, when a minimum of interference with the environment is desired. Covering minimizes power outages due to conductor contact with tree limbs, reducing the need for frequent or severe trimming.
Spacer Cable – Installed with other spacer cables and a supporting messenger through a series of space-maintaining devices (spacers). The resulting close-proximity configuration minimizes the amount of space and hardware required for line installation; particularly useful in congested areas.
Spacer Cable Or Tree Wire Construction
AAC, AAAC, ACSR Hard drawn Aluminum conductors & high die electric strength; Galvanise steel wire zinc coated & high impact/ abrasion resistant
concentrically stranded insulated with Cross-linked polyethylene (XLPE)
Jacketed with weather, track & sunlight resistant High density polyethylene (HDPE)
Spacer Cable Or Tree Wire Sandards
●American Standard One Two Three Layer MV 5kv 15KV25KV 35KV Overhead Covered Conductor.
●ASTM B230 Standard Specification for Aluminum1350-H19 Wire for Electrical Purposes
ASTM B231 Standard Specification for Concentric-Lay-Stranded Aluminum1350Conductors
●ASTM B232 Standard Specification for Concentric-Lay-Stranded Aluminum Conductors, Coated-Steel Reinforced(ACSR)
●ASTM B398 Standard Specification for Aluminum-Alloy 6201-T81 and 6201-T83 Wire for Electrical Purposes
●ASTM B399 Standard Specification for Concentric-Lay-Stranded Aluminum-Alloy 6201-T81Conductors
●ASTM B400 Standard Specification for CompactRound Concentric-Lay-Stranded Conductors
●ASTM D2656 Standard Specification for Cross-linked Polyethylene Insulation for Wire and Cable Rated 2001 to 35 000 V
●ASTM D1248 Standard Specification for Polyethylene Plastics Extrusion Materials for Wire and Cable
●ICEAS-70-547Standard Specification for Weather Resistant Polyethylene Covered Conductors
●The conductor shield shall be an extruded back semiconductor polymer meeting the physical requirements of ICEA S-61-402.
●Available with track-resistant high-density polyethylene(TR-HDPE)per ASTM D1248 or Track-Resistant Cross-linked Polyethylene(TK XLPE) covering per ASTM D2656 and ICEA S-
66-524
One-Layer 5kv 15kv Tree Wire
| One-Layer 5kv AAC Tree Wire (All-Aluminum Conductors) | |||||
| Size (AWG or kcmil) | Stranding | Cover Thickness (mils) | Cable O.D.+ (mils) | Rated Strenght (lbs) | Weight per 1000 ft. (lbs) |
| XLP | |||||
| 4 | 7 | 80 | 385 | 793 | 72 |
| 2 | 7 | 80 | 443 | 1210 | 102 |
| 1 | 19 | 80 | 482 | 1570 | 121 |
| 1/0 | 19 | 80 | 522 | 1940 | 146 |
| 2/0 | 19 | 80 | 565 | 2400 | 176 |
| 3/0 | 19 | 80 | 616 | 2980 | 215 |
| 4/0 | 19 | 80 | 672 | 3620 | 263 |
| 250 | 37 | 80 | 718 | 4420 | 300 |
| 266.8 | 19 | 80 | 734 | 4470 | 322 |
| 300 | 37 | 80 | 771 | 5300 | 353 |
| 336.4 | 37 | 80 | 807 | 5790 | 391 |
| 350 | 37 | 80 | 821 | 6080 | 406 |
| 477 | 37 | 80 | 931 | 7820 | 536 |
| 500 | 37 | 80 | 950 | 8200 | 560 |
| One-Layer 5kv ACSR Tree Wire (Aluminum Conductor Steel Reinforced) | |||||
| 4 | 6/1 | 80 | 410 | 1770 | 94 |
| 2 | 6/1 | 80 | 476 | 2710 | 137 |
| 1 | 6/1 | 80 | 514 | 3370 | 166 |
| 1/0 | 6/1 | 80 | 558 | 4160 | 202 |
| 2/0 | 6/1 | 80 | 607 | 5040 | 247 |
| 3/0 | 6/1 | 80 | 662 | 6290 | 303 |
| 4/0 | 6/1 | 80 | 723 | 7930 | 374 |
| 266.8 | 18/1 | 80 | 769 | 6540 | 372 |
| 266.8 | 26/7 | 80 | 802 | 10700 | 449 |
| 336.4 | 18/1 | 80 | 844 | 8250 | 458 |
| 336.4 | 26/7 | 80 | 880 | 13400 | 555 |
| 397.5 | 18/1 | 80 | 903 | 9440 | 534 |
| 397.5 | 26/7 | 80 | 943 | 15500 | 647 |
| 477 | 18/1 | 80 | 974 | 11200 | 631 |
| 477 | 26/7 | 80 | 1018 | 185000 | 767 |
| One-Layer 15kv AAC Tree Wire (All-Aluminum Conductors) | |||||
| 4 | 7 | 150 | 525 | 793 | 114 |
| 2 | 7 | 150 | 583 | 1210 | 150 |
| 1 | 19 | 150 | 622 | 1570 | 172 |
| 1/0 | 19 | 150 | 662 | 1940 | -- |
| 2/0 | 19 | 150 | 705 | 2400 | 236 |
| 3/0 | 19 | 150 | 756 | 2980 | 279 |
| 4/0 | 19 | 150 | 812 | 3620 | 333 |
| 266.8 | 19 | 150 | 874 | 4470 | 397 |
| 300 | 37 | 150 | 911 | 5300 | 432 |
| 336.4 | 37 | 150 | 947 | 5790 | 473 |
| 350 | 37 | 150 | 961 | 6080 | 489 |
| 477 | 37 | 150 | 1071 | 7820 | 631 |
| 500 | 37 | 150 | 1090 | 8200 | 656 |
| One-Layer 15kv ACSR Tree Wire (Aluminum Conductor Steel Reinforced) | |||||
| 4 | 6/1 | 150 | 550 | 1770 | 139 |
| 2 | 6/1 | 150 | 616 | 2710 | 188 |
| 1 | 6/1 | 150 | 654 | 3370 | 221 |
| 1/0 | 6/1 | 150 | 698 | 4160 | 261 |
| 2/0 | 6/1 | 150 | 747 | 5040 | -- |
| 3/0 | 6/1 | 150 | 802 | 6290 | 372 |
| 4/0 | 6/1 | 150 | 863 | 7930 | 449 |
| 266.8 | 18/1 | 150 | 909 | 6540 | 451 |
| 266.8 | 26/7 | 150 | 942 | 10700 | 531 |
| 336.4 | 18/1 | 150 | 984 | 8250 | 545 |
| 336.4 | 26/7 | 150 | 1020 | 13400 | 645 |
| 397.5 | 18/1 | 150 | 1043 | 9440 | 626 |
| 397.5 | 26/7 | 150 | 1083 | 15500 | 743 |
| 477 | 18/1 | 150 | 1114 | 11200 | 730 |
| 477 | 26/7 | 150 | 1158 | 18500 | 870 |
| 2-Layer 15kV ACSR Tree Wire | ||||
| 4 | 6/1 | 250 | 75 | 75 |
| 2 | 6/1 | 316 | 75 | 75 |
| 1/0 | 6/1 | 398 | 75 | 75 |
| 2/0 | 6/1 | 447 | 75 | 75 |
| 3/0 | 6/1 | 502 | 75 | 75 |
| 4/0 | 6/1 | 563 | 75 | 75 |
| 266.8 | 18/1 | 609 | 75 | 75 |
| 266.8 | 26/7 | 642 | 75 | 75 |
| 336.4 | 18/1 | 684 | 75 | 75 |
| 336.4 | 26/7 | 720 | 75 | 75 |
| 336.4 | 30/7 | 741 | 75 | 75 |
| 397.5 | 18/1 | 743 | 75 | 75 |
| 397.5 | 24/7 | 772 | 75 | 75 |
| 397.5 | 26/7 | 783 | 75 | 75 |
| 477 | 24/7 | 846 | 75 | 75 |
| 477 | 26/7 | 858 | 75 | 75 |
| 477 | 30/7 | 883 | 75 | 75 |
| 556.5 | 18/1 | 879 | 75 | 75 |
| 556.5 | 24/7 | 914 | 75 | 75 |
| 556.5 | 26/7 | 927 | 75 | 75 |
| 636 | 18/1 | 940 | 75 | 75 |
| 636 | 24/7 | 977 | 75 | 75 |
| 636 | 26/7 | 990 | 75 | 75 |
| 795 | 26/7 | 1108 | 80 | 80 |
| 795 | 45/7 | 1063 | 80 | 80 |
| 2-Layer 15kV AAAC Tree Wire | ||||
| 48.69 | 4 | 7 | 250 | 75 |
| 77.47 | 2 | 7 | 316 | 75 |
| 123.3 | 1/0 | 7 | 398 | 75 |
| 155.4 | 2/0 | 7 | 447 | 75 |
| 195.7 | 3/0 | 7 | 502 | 75 |
| 246.9 | 4/0 | 7 | 563 | 75 |
| 312.8 | 266.8 | 19 | 642 | 75 |
| 394.5 | 336.4 | 19 | 720 | 75 |
| 465.4 | 397.5 | 19 | 782 | 75 |
| 559.5 | 477 | 19 | 858 | 75 |
| 652.4 | 556.5 | 19 | 927 | 75 |
| 740.8 | 636 | 37 | 990 | 80 |
| 2-Layer 15kV AAC Tree Wire | ||||
| 1/0 | 7 | 336 | 75 | 75 |
| 2/0 | 7 | 376 | 75 | 75 |
| 3/0 | 7 | 423 | 75 | 75 |
| 4/0 | 7 | 475 | 75 | 75 |
| 266.8 | 19 | 537 | 75 | 75 |
| 336.4 | 19 | 603 | 75 | 75 |
| 397.5 | 19 | 659 | 75 | 75 |
| 477 | 19 | 722 | 75 | 75 |
| 556.5 | 37 | 780 | 75 | 75 |
| 636 | 37 | 835 | 75 | 75 |
| 3-Layer 15kV ACSR Tree Wire | ||||
| Size (AWG or kcmil) | Stranding | Conductor Diameter (mils) | Covering Thickness (mils) | Cable O.D. (mils) |
| Conductor Shield | Inner Layer | |||
| 4 | 6/1 | 250 | 15 | 75 |
| 2 | 6/1 | 316 | 15 | 75 |
| 1/0 | 6/1 | 398 | 15 | 75 |
| 2/0 | 6/1 | 447 | 15 | 75 |
| 3/0 | 6/1 | 502 | 15 | 75 |
| 4/0 | 6/1 | 563 | 15 | 75 |
| 266.8 | 18/1 | 609 | 15 | 75 |
| 266.8 | 26/7 | 642 | 15 | 75 |
| 336.4 | 18/1 | 684 | 15 | 75 |
| 336.4 | 26/7 | 720 | 15 | 75 |
| 336.4 | 30/7 | 741 | 15 | 75 |
| 397.5 | 18/1 | 743 | 15 | 75 |
| 397.5 | 24/7 | 772 | 15 | 75 |
| 397.5 | 26/7 | 783 | 15 | 75 |
| 477 | 24/7 | 846 | 15 | 75 |
| 477 | 26/7 | 858 | 15 | 75 |
| 477 | 30/7 | 883 | 15 | 75 |
| 556.5 | 18/1 | 879 | 20 | 75 |
| 556.5 | 24/7 | 914 | 20 | 75 |
| 556.5 | 26/7 | 927 | 20 | 75 |
| 636 | 18/1 | 940 | 20 | 75 |
| 636 | 26/7 | 990 | 20 | 75 |
| 3-Layer 15kV AAAC Tree Wire | ||||
| 48.69 | 4 | 7 | 250 | 15 |
| 77.47 | 2 | 7 | 316 | 15 |
| 123.3 | 1/0 | 7 | 398 | 15 |
| 155.4 | 2/0 | 7 | 447 | 15 |
| 195.7 | 3/0 | 7 | 502 | 15 |
| 246.9 | 4/0 | 7 | 563 | 15 |
| 312.8 | 266.8 | 19 | 642 | 15 |
| 394.5 | 336.4 | 19 | 720 | 15 |
| 465.4 | 397.5 | 19 | 783 | 15 |
| 559.5 | 477 | 19 | 858 | 15 |
| 652.4 | 556.5 | 19 | 927 | 20 |
| 740.8 | 636 | 37 | 990 | 20 |
| 3-Layer 15kV AAC Tree Wire | ||||
| 1/0 | 7 | 336 | 15 | 75 |
| 2/0 | 7 | 376 | 15 | 75 |
| 3/0 | 7 | 423 | 15 | 75 |
| 4/0 | 7 | 475 | 15 | 75 |
| 266.8 | 19 | 537 | 15 | 75 |
| 336.4 | 19 | 603 | 15 | 75 |
| 397.5 | 19 | 659 | 15 | 75 |
| 477 | 19 | 722 | 15 | 75 |
| 556.5 | 37 | 780 | 20 | 75 |
| 636 | 37 | 835 | 20 | 80 |
| 795 | 37 | 932 | 20 | 80 |
| 3-Layer 25kV ACSR Tree Wire | ||||
| 1/0 | 6/1 | 398 | 15 | 125 |
| 2/0 | 6/1 | 447 | 15 | 125 |
| 3/0 | 6/1 | 502 | 15 | 125 |
| 4/0 | 6/1 | 563 | 15 | 125 |
| 266.8 | 18/1 | 609 | 15 | 125 |
| 266.8 | 26/7 | 642 | 15 | 125 |
| 336.4 | 18/1 | 684 | 15 | 125 |
| 336.4 | 26/7 | 720 | 15 | 125 |
| 336.4 | 30/7 | 741 | 15 | 125 |
| 397.5 | 18/1 | 743 | 15 | 125 |
| 397.5 | 24/7 | 772 | 15 | 125 |
| 397.5 | 26/7 | 783 | 15 | 125 |
| 477 | 24/7 | 846 | 20 | 125 |
| 477 | 26/7 | 858 | 20 | 125 |
| 477 | 30/7 | 883 | 20 | 125 |
| 556.5 | 18/1 | 879 | 20 | 125 |
| 556.5 | 24/7 | 914 | 20 | 125 |
| 556.5 | 26/7 | 927 | 20 | 125 |
| 3-Layer 25kV AAAC Tree Wire | ||||
| 48.69 | 4 | 7 | 250 | 15 |
| 77.47 | 2 | 7 | 316 | 15 |
| 123.3 | 1/0 | 7 | 398 | 15 |
| 155.4 | 2/0 | 7 | 447 | 15 |
| 195.7 | 3/0 | 7 | 502 | 15 |
| 246.9 | 4/0 | 7 | 563 | 15 |
| 312.8 | 266.8 | 19 | 642 | 15 |
| 394.5 | 336.4 | 19 | 720 | 15 |
| 465.4 | 397.5 | 19 | 783 | 15 |
| 559.5 | 477 | 19 | 858 | 20 |
| 652.4 | 556.5 | 19 | 927 | 20 |
| 740.8 | 636 | 37 | 990 | 20 |
| 927.2 | 795 | 37 | 1108 | 20 |
| 3-Layer 25kV AAC Tree Wire | ||||
| 1/0 | 7 | 336 | 15 | 125 |
| 2/0 | 7 | 376 | 15 | 125 |
| 3/0 | 7 | 423 | 15 | 125 |
| 4/0 | 7 | 475 | 15 | 125 |
| 266.8 | 19 | 537 | 15 | 125 |
| 336.4 | 19 | 603 | 15 | 125 |
| 397.5 | 19 | 659 | 15 | 125 |
| 477 | 19 | 722 | 20 | 125 |
| 556.5 | 37 | 780 | 20 | 125 |
| 636 | 37 | 835 | 20 | 125 |
| 795 | 37 | 932 | 20 | 125 |
| 3-Layer 35kV ACSR Tree Wire | ||||
| 1/0 | 6/1 | 398 | 15 | 175 |
| 2/0 | 6/1 | 447 | 15 | 175 |
| 4/0 | 6/1 | 563 | 15 | 175 |
| 266.8 | 18/1 | 609 | 15 | 175 |
| 266.8 | 26/7 | 642 | 15 | 175 |
| 336.4 | 18/1 | 684 | 15 | 175 |
| 336.4 | 26/7 | 720 | 15 | 175 |
| 336.4 | 30/7 | 741 | 15 | 175 |
| 397.5 | 18/1 | 743 | 15 | 175 |
| 397.5 | 24/7 | 772 | 15 | 175 |
| 397.5 | 26/7 | 783 | 15 | 175 |
| 477 | 24/7 | 846 | 20 | 175 |
| 477 | 26/7 | 858 | 20 | 175 |
| 477 | 30/7 | 883 | 20 | 175 |
| 556.5 | 18/1 | 879 | 20 | 175 |
| 556.5 | 24/7 | 914 | 20 | 175 |
| 556.5 | 26/7 | 927 | 20 | 175 |
| 636 | 18/1 | 940 | 20 | 175 |
| 636 | 26/7 | 990 | 20 | 175 |
| 795 | 26/7 | 1107 | 20 | 175 |
| 795 | 45/7 | 1063 | 20 | 175 |
| 3-Layer 35kV AAAC Tree Wire | ||||
| 48.69 | 4 | 7 | 250 | 15 |
| 77.47 | 2 | 7 | 316 | 15 |
| 123.3 | 1/0 | 7 | 398 | 15 |
| 155.4 | 2/0 | 7 | 447 | 15 |
| 195.7 | 3/0 | 7 | 502 | 15 |
| 246.9 | 4/0 | 7 | 563 | 15 |
| 312.8 | 266.8 | 19 | 642 | 15 |
| 394.5 | 336.4 | 19 | 720 | 15 |
| 465.4 | 397.5 | 19 | 783 | 15 |
| 559.5 | 477 | 19 | 858 | 20 |
| 652.4 | 556.5 | 19 | 927 | 20 |
| 3-Layer 35kV AAC Tree Wire | ||||
| 1/0 | 7 | 336 | 15 | 175 |
| 2/0 | 7 | 376 | 15 | 175 |
| 3/0 | 7 | 423 | 15 | 175 |
| 4/0 | 7 | 475 | 15 | 175 |
| 266.8 | 19 | 537 | 15 | 175 |
| 336.4 | 19 | 603 | 15 | 175 |
| 397.5 | 19 | 659 | 15 | 175 |
| 477 | 19 | 722 | 20 | 175 |
| 556.5 | 37 | 780 | 20 | 175 |
| 636 | 37 | 835 | 20 | 175 |
| 795 | 37 | 932 | 20 | 175 |
3-Layer 46kV Tree Wire
| 3-Layer 46kV Tree Wire | |||||||||
| Conductor | Size | Stranding | Conductor Diameter | Covering Thickness (mils) |
Cable O.D. | Rated Strength | Weight per 1000 ft. | ||
| (AWG or kcmil) | / | (mils) | Conductor Shield | Inner Layer | Outer Layer | (mils) | (lbs) | (lbs) | |
| ACSR | 1/0 | 6/1 | 398 | 15 | 225 | 175 | 1244 | 4161 | 2040 |
| 2/0 | 6/1 | 447 | 15 | 225 | 175 | 1293 | 5045 | 2257 | |
| 4/0 | 6/1 | 563 | 15 | 225 | 175 | 1409 | 7933 | 2836 | |
| 266.8 | 18/1 | 609 | 15 | 225 | 175 | 1455 | 6536 | 2914 | |
| 266.8 | 26/7 | 642 | 15 | 225 | 175 | 1488 | 10735 | 3228 | |
| 336.4 | 18/1 | 684 | 15 | 225 | 175 | 1530 | 8246 | 3306 | |
| 336.4 | 26/7 | 720 | 15 | 225 | 175 | 1566 | 13395 | 3695 | |
| 336.4 | 30/7 | 741 | 15 | 225 | 175 | 1587 | 16435 | 3941 | |
| 397.5 | 18/1 | 743 | 15 | 225 | 175 | 1589 | 9443 | 3635 | |
| 397.5 | 24/7 | 772 | 15 | 225 | 175 | 1618 | 13870 | 3953 | |
| 397.5 | 26/7 | 783 | 15 | 225 | 175 | 1629 | 15485 | 4087 | |
| 477 | 24/7 | 846 | 20 | 225 | 175 | 1692 | 16340 | 4123 | |
| 477 | 26/7 | 858 | 20 | 225 | 175 | 1704 | 18525 | 4452 | |
| 477 | 30/7 | 883 | 20 | 225 | 175 | 1729 | 22610 | 4635 | |
| 556.5 | 18/1 | 879 | 20 | 225 | 175 | 1725 | 13015 | 4469 | |
| 556.5 | 24/7 | 914 | 20 | 225 | 175 | 1760 | 18810 | 4897 | |
| 556.5 | 26/7 | 927 | 20 | 225 | 175 | 1773 | 21470 | 5084 | |
| 636 | 18/1 | 940 | 20 | 225 | 175 | 1786 | 14915 | 4870 | |
| 636 | 26/7 | 990 | 20 | 225 | 175 | 1836 | 23940 | 5557 | |
| 795 | 26/7 | 1107 | 20 | 225 | 175 | 1953 | 29925 | 6495 | |
| 795 | 45/7 | 1063 | 20 | 225 | 175 | 1909 | 20995 | 5769 | |
| AAAC | 48.69 | 7 | 250 | 15 | 225 | 175 | 1096 | 1584 | 1460 |
| 77.47 | 7 | 316 | 15 | 225 | 175 | 1162 | 2520 | 1677 | |
| 123.3 | 7 | 398 | 15 | 225 | 175 | 1244 | 4014 | 1976 | |
| 155.4 | 7 | 447 | 15 | 225 | 175 | 1293 | 4851 | 2169 | |
| 195.7 | 7 | 502 | 15 | 225 | 175 | 1348 | 6111 | 2399 | |
| 246.9 | 7 | 563 | 15 | 225 | 175 | 1409 | 7704 | 2674 | |
| 312.8 | 19 | 642 | 15 | 225 | 175 | 1488 | 9900 | 3028 | |
| 394.5 | 19 | 720 | 15 | 225 | 175 | 1566 | 11970 | 3428 | |
| 465.4 | 19 | 720 | 15 | 225 | 175 | 1566 | 14040 | 3642 | |
| 559.5 | 19 | 858 | 20 | 225 | 175 | 1704 | 16920 | 4197 | |
| 652.4 | 19 | 927 | 20 | 225 | 175 | 1773 | 19710 | 4613 | |
| AAC | 1/0 | 7 | 336 | 15 | 175 | 125 | 1182 | 1791 | 1801 |
| 2/0 | 7 | 376 | 15 | 175 | 125 | 1222 | 2259 | 1963 | |
| 3/0 | 7 | 423 | 15 | 175 | 125 | 1269 | 2736 | 2160 | |
| 4/0 | 7 | 475 | 15 | 175 | 125 | 1321 | 3447 | 2394 | |
| 266.8 | 19 | 537 | 15 | 175 | 125 | 1383 | 4473 | 2683 | |
| 336.4 | 19 | 603 | 15 | 175 | 125 | 1449 | 5535 | 3023 | |
| 397.5 | 19 | 659 | 15 | 175 | 125 | 1505 | 6399 | 3317 | |
| 477 | 19 | 722 | 20 | 175 | 125 | 1568 | 7524 | 3681 | |
| 556.5 | 37 | 780 | 20 | 175 | 125 | 1626 | 8946 | 4035 | |
| 636 | 37 | 835 | 20 | 175 | 125 | 1681 | 10260 | 4383 | |
| 795 | 37 | 932 | 20 | 175 | 125 | 1778 | 12510 | 5054 | |
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