2-Layer 15kV Tree Wire
2-Layer 15kV Tree Wire
2-Layer 15kV Tree Wire

2-Layer 15kV Tree Wire

2-Layer 15kV Tree Wire is the most commonly used medium voltage overhead insulated conductor in North Meilin District, also known as Dual Layer Covered Conductor, used for 15kV (8.7/15kV) power distribution. Its core is a two-layer structure, non-conductive shielding, low cost, and anti tree collision short circuit.

  • Application
  • Construction
  • Parameter
  • Message

Application

Medium voltage distribution for forest/green intensive areas.

Applicable Standards

ICEA S-121-733 (Tree Wire), ASTM B231/B232 (Conductor)

Core features:

Single core, insulated, self-supporting, and spaced between wires, without the need for additional steel strand load-bearing

Construction

  • 2-Layer (two-layer, economical type):
  • Conductor: AAC (pure aluminum)/AAAC (aluminum alloy)/ASCR (steel core aluminum), concentric twisted
  • Inner layer: XLPE insulation (natural color, main insulation)
  • Outer layer: TR-HDXLPE scratch resistant sheath (black, UV/creepage/aging resistant)
  • Features: No semiconductor shielding; Low cost and simple structure; Used for conventional forest areas, non high humidity/non heavily polluted areas

Technical Characteristics

  • 2-Layer 15kV ACSR
  • 2-Layer 15kV AAAC
  • 2-Layer 15kV AAC
2-Layer 15kV ACSR Tree Wire/ICEA S-121-733 
Size Conductor Stranding Conductor Diameter Covering Thickness Cable O.D. Rated Strength Approx.. mass per unit length
(AWG or kcmil) (mils)
mils Inner Layer          Outer Layer mils lbs lbs/1000 ft.
4 6/1 250 75 75 550 1767 136
2 6/1 316 75 75 616 2708 184
1/0 6/1 398 75 75 698 4161 255
2/0 6/1 447 75 75 747 5045 303
3/0 6/1 502 75 75 802 6289 362
4/0 6/1 563 75 75 863 7933 432
266.8 18/1 609 75 75 909 6536 441
26/7 642 75 75 942 10735 452
336.4 18/1 684 75 75 984 8246 536
26/7 720 75 75 1020 13395 555
30/7 741 75 75 1041 16435 621
397.5 18/1 743 75 75 1043 9443 611
24/7 772 75 75 1072 13870 609
26/7 783 75 75 1083 1545 645
477 24/7 846 75 75 1146 16340 719
26/7 858 75 75 1158 18525 762
30/7 883 75 75 1183 22610 854
556.5 18/1 879 75 75 1179 13015 813
24/7 914 75 75 1214 18810 828
26/7 927 75 75 1227 21470 878
636 18/1 940 75 75 1240 14915 912
24/7 977 75 75 1277 20900 936
26/7 990 75 75 1290 23940 993
795 26/7 1108 80 75 1428 29925 1234
45/7 1063 80 80 1383 20995 1031
2-Layer 15kV AAAC Tree Wire/ICEA S-121-733 
Size Equivalent Conductor Stranding Conductor Diameter Covering Thickness Cable O.D. Rated Strength Approx.. mass per unit length
(kcmil) AAC (AWG or kcmil) mils
mils Inner Layer Outer Layer mils lbs lbs/1000 ft.
48.69 4 7 250 75 75 550 1584 124
77.47 2 7 316 75 75 616 2520 165
123.3 1/0 7 398 75 75 698 4014 225
155.4 2/0 7 447 75 75 747 4851 265
195.7 3/0 7 502 75 75 802 6111 314
246.9 4/0 7 563 75 75 863 7704 376
312.8 266.8 19 642 75 75 942 9900 450
394.5 336.4 19 720 75 75 1020 11970 543
465.4 397.5 19 782 75 75 1082 14040 623
559.5 477 19 858 75 75 1158 16920 727
652.4 556.5 19 927 75 75 1227 19710 828
740.8 636 37 990 80 80 1310 21960 938
2-Layer 15kV AAC Tree Wire/ICEA S-121-733 
Size Conductor Stranding Conductor Diameter Covering Thickness Cable O.D. Rated Strength Approx.. mass per unit length
(AWG or kcmil) (mils)
mils Inner Layer          Outer Layer mils lbs lbs/1000 ft.
1/0 7 336 75 75 636 1791 196
2/0 7 376 75 75 676 2259 230
3/0 7 423 75 75 723 2736 272
4/0 7 475 75 75 775 3447 325
266.8 19 537 75 75 837 4473 387
336.4 19 603 75 75 903 5535 466
397.5 19 659 75 75 959 6399 535
477 19 722 75 75 1022 7524 623
556.5 37 780 75 75 1080 8946 708
636 37 835 75 75 1135 10260 794

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