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3-Layer Tree Wire
3-Layer Tree Wire
3-Layer Tree Wire
3-Layer Tree Wire

3-Layer Tree Wire

3-layer Tree Wire is a high-end type for 15/25/35kV forest distribution, with a core of semi conductive shielding, XLPE insulation, and scratch resistant sheath. It has low partial discharge, long lifespan, and excellent fire resistance, and is used in high humidity/heavy pollution/high fire risk forest areas.

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  • Application
  • Construction
  • Parameter
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Application

Used in high humidity/heavy pollution/high fire risk forest areas.

Applicable Standards

ICEA S-121-733 (Tree Wire Universal Standard)
ICEA S-66-524 (Spacer Cable Basic Standard)
ASTM B230/B231/B232/B400 (conductor: AAC/AAAC/ACSR)

Core features:

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

Construction

 

  • 3-layer (three-layer, high-performance type)
  • Conductor: Same 2 layers (AAC/AAAC/ACSR)
  • Layer 1: Semi conductive XLPE shielding layer (uniform field, partial discharge, anti erosion)
  • Layer 2: Natural XLPE insulation (thickened, suitable for 25/35kV)
  • Layer 3: Black TR-HDXLPE anti scratch sheath (UV/anti creepage/anti-aging)

Technical Characteristics

  • 3-Layer 15kV ACSR
  • 3-Layer 15kV AAAC
  • 3-Layer 15kV AAC
  • 3-Layer 25kV ACSR
  • 3-Layer 25kV AAAC
  • 3-Layer 25kV AAC
  • 3-Layer 35kV ACSR
  • 3-Layer 35kV AAAC
  • 3-Layer 35kV AAC
3-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 mils
kcmil) (mils) Conductor Shield Inner Layer Outer Layer mils lbs lbs/1000 ft.
4 6/1 250 15 75 75 580 1767 151
2 6/1 316 15 75 75 646 2708 202
1/0 6/1 398 15 75 75 728 4161 278
2/0 6/1 447 15 75 75 777 5045 330
3/0 6/1 502 15 75 75 832 6289 393
4/0 6/1 563 15 75 75 893 7933 471
266.8 18/1 609 15 75 75 939 6536 474
266.8 26/7 642 15 75 75 972 10735 553
336.4 18/1 684 15 75 75 1014 8246 570
336.4 26/7 720 15 75 75 1050 13395 669
336.4 30/7 741 15 75 75 1071 16435 935
397.5 18/1 743 15 75 75 1073 9443 653
397.5 24/7 772 15 75 75 1102 13870 707
397.5 26/7 783 15 75 75 1113 15485 770
477 24/7 846 15 75 75 1176 16340 824
477 26/7 858 15 75 75 1188 18525 899
477 30/7 883 15 75 75 1213 22610 1274
556.5 18/1 879 20 75 75 1219 13015 874
556.5 24/7 914 20 75 75 1254 18810 949
556.5 26/7 927 20 75 75 1267 21470 1036
636 18/1 940 20 75 75 1280 14915 1200
636 26/7 990 20 75 75 1330 23940 1373
3-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 orkcmil) mils
(mils) Conductor Shield Inner Layer Outer Layer mils lbs lbs/1000 ft.
48.69 4 7 250 15 75 75 580 1584 137
77.47 2 7 316 15 75 75 646 2520 179
123.3 1/0 7 398 15 75 75 728 4014 241
155.4 2/0 7 447 15 75 75 777 4851 283
195.7 3/0 7 502 15 75 75 832 6111 334
246.9 4/0 7 563 15 75 75 893 7704 397
312.8 266.8 19 642 15 75 75 972 9900 473
394.5 336.4 19 720 15 75 75 1050 11970 568
465.4 397.5 19 783 15 75 75 1113 14040 649
559.5 477 19 858 15 75 75 1188 16920 755
652.4 556.5 19 927 20 75 75 1267 19710 894
740.8 636 37 990 20 75 75 1330 21960 963
3-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 Conductor Shield Inner Layer Outer Layer mils lbs lbs/1000 ft.
1/0 7 336 15 75 75 666 1791 210
2/0 7 376 15 75 75 706 2259 246
3/0 7 423 15 75 75 753 2736 289
4/0 7 475 15 75 75 805 3447 343
266.8 19 537 15 75 75 867 4473 407
336.4 19 603 15 75 75 933 5535 487
397.5 19 659 15 75 75 989 6399 558
477 19 722 15 75 75 1052 7524 648
556.5 37 780 20 75 75 1120 8946 742
636 37 835 20 80 80 1195 10260 846
795 37 932 20 80 80 1292 12510 1020
3-Layer 25kV 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 Conductor Shield Inner Layer Outer Layer mils lbs lbs/1000 ft.
1/0 6/1 398 15 125 125 928 4161 385
2/0 6/1 447 15 125 125 977 5045 443
3/0 6/1 502 15 125 125 1032 6289 513
4/0 6/1 563 15 125 125 1093 7933 600
266.8 18/1 609 15 125 125 1139 6536 608
266.8 26/7 642 15 125 125 1172 10735 692
336.4 18/1 684 15 125 125 1214 8246 714
336.4 26/7 720 15 125 125 1250 13395 818
336.4 30/7 741 15 125 125 1271 16435 1086
397.5 18/1 743 15 125 125 1273 9443 804
397.5 24/7 772 15 125 125 1302 13870 863
397.5 26/7 783 15 125 125 1313 15485 926
477 24/7 846 20 125 125 1386 16340 999
477 26/7 858 20 125 125 1398 18525 1076
477 30/7 883 20 125 125 1423 22610 1458
556.5 18/1 879 20 125 125 1419 13015 1045
556.5 24/7 914 20 125 125 1454 18810 1124
556.5 26/7 927 20 125 125 1467 21470 1213
3-Layer 25kV 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 Conductor Shield Inner Layer Outer Layer mils lbs lbs/1000 ft.
48.69 4 7 250 15 125 125 780 1584 225
77.47 2 7 316 15 125 125 846 2520 275
123.3 1/0 7 398 15 125 125 928 4014 348
155.4 2/0 7 447 15 125 125 977 4851 396
195.7 3/0 7 502 15 125 125 1032 6111 454
246.9 4/0 7 563 15 125 125 1093 7704 525
312.8 266.8 19 642 15 125 125 1172 9900 611
394.5 336.4 19 720 15 125 125 1251 11970 716
465.4 397.5 19 783 15 125 125 1313 14040 805
559.5 477 19 858 20 125 125 1398 16920 932
652.4 556.5 19 927 20 125 125 1467 19710 1044
740.8 636 37 990 20 125 125 1530 21960 1148
927.2 795 37 1108 20 125 125 1648 27450 1389
3-Layer 25kV 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 Conductor Shield Inner Layer Outer Layer mils lbs lbs/1000 ft.
1/0 7 336 15 125 125 866 1791 309
2/0 7 376 15 125 125 906 2259 350
3/0 7 423 15 125 125 953 2736 400
4/0 7 475 15 125 125 1005 3447 460
266.8 19 537 15 125 125 1067 4473 531
336.4 19 603 15 125 125 1133 5535 621
397.5 19 659 15 125 125 1189 6399 698
477 19 722 20 125 125 1262 7524 806
556.5 37 780 20 125 125 1320 8946 899
636 37 835 20 125 125 1375 10260 995
795 37 932 20 125 125 1472 12510 1181
3-Layer 35kV 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 Conductor Shield Inner Layer Outer Layer mils lbs lbs/1000 ft.
1/0 6/1 398 15 175 125 1028 4161 448
2/0 6/1 447 15 175 125 1077 5045 509
4/0 6/1 563 15 175 125 1193 7933 673
266.8 18/1 609 15 175 125 1239 6536 684
266.8 26/7 642 15 175 125 1272 10735 770
336.4 18/1 684 15 175 125 1314 8246 794
336.4 26/7 720 15 175 125 1350 13395 901
336.4 30/7 741 15 175 125 1371 16435 1170
397.5 18/1 743 15 175 125 1373 9443 889
397.5 24/7 772 15 175 125 1402 13870 949
397.5 26/7 783 15 175 125 1413 15485 1013
477 24/7 846 20 175 125 1486 16340 1091
477 26/7 858 20 175 125 1498 18525 1168
477 30/7 883 20 175 125 1523 22610 1552
556.5 18/1 879 20 175 125 1519 13015 1138
556.5 24/7 914 20 175 125 1554 18810 1220
556.5 26/7 927 20 175 125 1567 21470 1309
636 18/1 940 20 175 125 1580 14915 1637
636 26/7 990 20 175 125 1630 23940 1826
795 26/7 1107 20 175 125 1747 29925 2146
795 45/7 1063 20 175 125 1703 20995 1892
3-Layer 35kV 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 Conductor Shield Inner Layer Outer Layer mils lbs lbs/1000 ft.
48.69 4 7 250 15 175 125 880 1584 278
77.47 2 7 316 15 175 125 946 2520 333
123.3 1/0 7 398 15 175 125 1028 4014 411
155.4 2/0 7 447 15 175 125 1077 4851 462
195.7 3/0 7 502 15 175 125 1132 6111 523
246.9 4/0 7 563 15 175 125 1193 7704 598
312.8 266.8 19 642 15 175 125 1272 9900 689
394.5 336.4 19 720 15 175 125 1351 11970 799
465.4 397.5 19 783 15 175 125 1412 14040 892
559.5 477 19 858 20 175 125 1498 16920 1024
652.4 556.5 19 927 20 175 125 1567 19710 1141
3-Layer 35kV 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 Conductor Shield Inner Layer Outer Layer mils lbs lbs/1000 ft.
1/0 7 336 15 175 125 966 1791 368
2/0 7 376 15 175 125 1006 2259 411
3/0 7 423 15 175 125 1053 2736 464
4/0 7 475 15 175 125 1105 3447 527
266.8 19 537 15 175 125 1167 4473 603
336.4 19 603 15 175 125 1233 5535 696
397.5 19 659 15 175 125 1289 6399 777
477 19 722 20 175 125 1362 7524 889
556.5 37 780 20 175 125 1420 8946 987
636 37 835 20 175 125 1475 10260 1085
795 37 932 20 175 125 1572 12510 1278

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