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CABLE DATA
SOLID COPPERWELD CABLE
(ASTM B227)
Conductor
Size
(AWG)
Nominal
Diameter
(Inches)
Circular
Mils
Minimum Breaking Load (lbs.)
Grade 40
HS
Grade 40
EHS
Grade 30
HS
Grade 30
EHS
4
5
6
41,740
33,090
27,230
26,240
3,540
2,937
2,779
2,679
3,934
3,249
2,779
2,679
4,671
3,911
3,367
3,246
7
8
9
20,820
16,510
16,380
13,090
2,207
1,816
1,802
1,491
2,207
1,816
1,802
1,491
2,681
2,205
2,188
1,790
10
12
10,820
10,380
6,530
6,400
1,283
1,231
774
759
1,325
1,283
1,231
774
759
1,487
1,460
918
900
18
20
0.2043
0.1819
0.1650*
0.1620
0.1443
0.1285
0.1280*
0.1144
0.1040*
0.1019
0.0808
0.0800*
0.0640*
0.0403
0.0390*
0.0320
4,096
1,624
1,521
1,024
485
193
180
121
485
193
180
121
576
228
214
144
STRANDED COPPERWELD CABLE
(ASTM B228)
Nominal
Diameter†
(Inch) Size
A.W.G. ‡
Circular
Mils
Diameter*
(Inch)
Breaking Load Lbs.**
High Strength
Extra High
Strength
40%
Cond.
30%
Cond.
30%
Cond.
7/8 (19 No. 5)
13/16 (19 No. 6)
23/32 (19 No. 7)
27/32 (19 No. 8)
9/16 (19 No. 9)
5/8 (7 No. 4)
9/16 (7 No. 5)
1/2 (7 No. 6)
7/16 (7 No. 7)
3/8 (7 No. 8)
11/32 (7 No. 9)
5/16 (7 No. 10)
3 No. 5
3 No. 6
3 No. 7
3 No. 8
3 No. 9
3 No. 10
3 No. 12
628,900
498,800
395,500
313,700
248,800
292,200
231,700
183,800
145,700
115,600
91,650
72,680
99,310
78,750
62,450
49,530
39,280
31,150
19,590
.910
.810
.721
.642
.572
.613
.546
.486
.433
.385
.343
.306
.392
.349
.311
.277
.247
.220
.174
50,240
41,600
34,390
28,380
23,390
22,310
18,510
15,330
12,670
10,460
8,616
7,121
8,373
6,934
5,732
4,730
3,898
3,221
2,236
55,570
45,830
37,740
31,040
25,500
24,780
20,470
16,890
13,910
11,440
9,393
7,758
9,262
7,639
6,291
5,174
4,250
3,509
66,910
55,530
45,850
37,690
30,610
29,430
24,650
20,460
16,890
13,890
11,280
9,196
11,860
9,754
7,922
6,282
5,129
4,160
GALVANIZED STEEL CABLE
(ASTM A475)
Minimum Breaking Load (lbs.)
Inches
Nominal
Diameter
of Strand
(mm)
Number
of Wires
in
Strand
Utilities
Grade
Common
Grade
Siemens-
Martin
Grade
High-
Strength
Grade
Extra High-
Strength
Grade
1/8
5/32
3/16
3/16
7/32
7/32
1/4
1/4
1/4
9/32
9/32
5/16
5/16
5/16
3/8
3/8
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
7/8
1
1
1-1/8
1-1/4
(3.18)
(3.97)
(4.76)
(4.76)
(5.56)
(5.56)
(6.35)
(6.35)
(6.35)
(7.14)
(7.14)
(7.94)
(7.94)
(7.94)
(9.52)
(9.52)
(11.11)
(12.70)
(12.70)
(14.29)
(14.29)
(15.88)
(15.88)
(19.05)
(22.22)
(25.40)
(25.40)
(28.58)
(31.75)
7
7
7
7
3
7
3
3
7
3
7
3
7
7
3
7
7
7
19
7
19
7
19
19
19
9
37
37
37
2,400
3,150
4,500
4,600
6,500
6,000
8,500
11,500
18,000
25,000
540
870
1,150
1,400
1,540
1,860
1,900
2,080
2,570
2,490
3,200
3,330
4,250
5,700
7,400
7,620
9,600
9,640
11,600
11,000
16,000
21,900
28,700
28,300
36,000
44,600
910
1,470
1,900
2,340
2,560
3,040
3,150
3,380
4,250
4,090
5,350
5,560
6,950
9,350
12,100
12,700
15,700
16,100
19,100
18,100
26,200
35,900
47,000
46,200
58,900
73,000
1,330
2,140
2,850
3,500
3,850
4,730
4,750
5,260
6,400
6,350
8,000
8,360
10,800
14,500
18,800
19,100
24,500
24,100
29,600
28,100
40,800
55,800
73,200
71,900
91,600
113,600
1,830
2,940
3,990
4,900
5,400
6,740
6,650
7,500
8,950
9,100
11,200
11,800
15,400
20,800
26,900
26,700
35,000
33,700
42,400
40,200
58,300
79,700
104,500
102,700
130,800
162,200
COPPERWELD-COPPER CABLE
(ASTM B229)
Conductor Size
Hard Drawn Copper
Equivalent
TYPE
Nominal
Diameter of
Conductor
(inches)
Minimum
Breaking
Load
(pounds)
cmil
AWG
350,000
350,000
350,000
300,000
300,000
300,000
250,000
250,000
250,000
211,600
211,600
211,600
211,600
167,800
167,800
167,800
167,800
167,800
167,800
133,100
133,100
133,100
133,100
133,100
105,600
105,600
105,600
105,600
83,690
83,690
83,690
83,690
83,690
66,360
66,360
66,360
66,360
66,360
66,360
66,360
55,620
52,620
52,620
52,620
52,620
41,740
41,740
41,740
41,740
33,090
33,090
33,090
26,240
26,240
26,240
20,820
20,820
16,510
16,510
16,510
11,750
211,600
4/0
4/0
4/0
4/0
4/0
3/0
3/0
3/0
3/0
3/0
3/0
2/0
2/0
2/0
2/0
2/0
1/0
1/0
1/0
1/0
1
1
1
1
1
2
2
2
2
2
2
2
3
3
3
3
3
4
4
4
4
5
5
5
6
6
6
7
7
8
8
8
9
E
EK
V
E
EK
V
E
EK
V
E
G
EK
V
F
E
J
G
EK
V
F
K
J
G
V
F
K
J
G
F
N
K
J
G
F
P
N
K
J
A
G
F
P
N
K
J
A
P
N
D
A
P
D
A
D
A
C
D
A
D
A
C
D
0.788
0.735
0.754
0.729
0.680
0.698
0.666
0.621
0.637
0.613
0.583
0.571
0.586
0.550
0.545
0.555
0.519
0.509
0.522
0.490
0.534
0.494
0.463
0.465
0.436
0.475
0.440
0.412
0.388
0.464
0.423
0.392
0.367
0.346
0.462
0.413
0.377
0.349
0.366
0.327
0.308
0.411
0.368
0.336
0.311
0.326
0.366
0.328
0.348
0.290
0.326
0.310
0.258
0.276
0.230
0.225
0.246
0.223
0.219
0.199
0.179
0.174
32,420
23,850
23,480
27,770
20,960
20,730
23,920
17,840
17,420
20,730
15,640
15,370
15,000
12,290
16,800
16,170
12,860
12,370
12,200
9,980
17,600
13,430
10,510
9,846
8,094
14,490
10,970
8,563
6,536
15,410
11,900
9,000
6,956
5,266
16,870
12,680
9,730
7,322
5,876
5,626
4,233
13,910
10,390
7,910
5,955
4,810
11,420
8,460
7,340
3,938
9,311
6,035
3,193
4,942
2,585
2,143
4,022
2,754
3,256
2,233
1,362
1,743
* These diameters are often employed by purchasers for communication lines BUT are not
in the American Wire Gauge (B & S Wire Gauge) series, as are the other diameters listed.
† The designation "Inch" is the approximate diameter in proper fraction of an inch.
‡ The designation of "AWG" is a combination of the number of wires each of the American
Wire Gage size indicated by "No."
* Diameter of circumscribing.
** Breaking loads of 7-wire and 19-wire conductors are taken as 90% of the sum of the
breaking loads of individual wires; breaking load of 3-wire conductors is taken as 95%
of the sum of the breaking loads of the individual wires.
O-18
Canada: 1-800-387-6487
www.burndy.com
US: 1-800-346-4175
Reference
BURNDY
®