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CABLE DATA
AWG VS. METRIC WIRE SIZES
ALUMINUM-COATED STEEL CABLE
(ASTM A474)
MINIMUM BREAKING STRENGTH, lbf
NOMINAL DIAMETER
OF STRAND (IN.)
NUMBER OF WIRES
IN STRAND
SIEMANS-MARTIN
GRADE
HIGH-STRENGTH
GRADE
EXTRA HIGH-
STRENGTH GRADE
UTILITIES GRADE*
COMMON GRADE
3/16
7
1,150
1,900
2,850
3/16
7
2,400
1/4
3
3,150
1/4
3
4,500
1/4
7
1,900
3,150
4,750
6,650
9/32
7
4,600
5/16
3
6,500
5/16
7
3,200
5,350
8,000
11,200
5/16
7
6,000
3/8
3
8,500
3/8
7
11,500
4,250
6,950
10,800
15,400
7/16
7
18,000
5,350
9,350
14,500
20,800
1/2
7
25,000
7,400
12,100
18,800
26,900
CIRC.
MILS
EQUIV-
ALENT
CIRC.
MILS
METRIC
WIRE
SIZE
MM
AWG.
SIZE
STRANDING/WIRE
DIAMETER PER
STRAND
APPROXIMATE
OVERALL
DIAMETER
IN.
MM IN.
MM
CIRC.
MILS
EQUIV-
ALENT
CIRC.
MILS
METRIC
WIRE
SIZE
MM
AWG.
SIZE
STRANDING/WIRE
DIAMETER PER
STRAND
APPROXIMATE
OVERALL
DIAMETER
IN.
MM IN.
MM
1020
1620
1620
937
1480
1974
1974
20
18
18
0.50
.75
1.0
1.0
1/.032
7/.0121
1/.039
1/.0103
7/.0152
1/.045
7/.017
1/.813
1/.307
1/.091
1/1.02
7/.386
1/1.14
7/.422
.032
.036
.039
.040
.046
.045
.061
.061
0.91
0.99
1.02
1.16
1.14
1.30
1
1/0
2/0
3/0
3/0
50
70
19/.0064
19/.073
19/.0745
19/.0837
19/.086
19/.094
36/.0673
19/1.50
19/1.85
19/1.59
19/2.13
19/2.18
19/2.59
37/1.71
.332
.365
.373
.419
.430
.470
.471
8.43
9.27
9.46
10.6
10.9
11.9
12.0
2580
2580
4110
4110
2960
2960
16
16
14
14
1.5
1.5
1/.0503
7/.0192
1/.055
7/.021
1/.0641
7/.0242
1/1.29
7/.468
1/1.40
7/5.33
1/1.63
7/.615
.051
.058
.055
.063
.064
.073
1.29
1.46
1.40
1.60
1.63
1.84
4/0
95
95
120
150
19/.101
37/.072
19/.1055
37/.081
37/.0822
37/.090
19/2.57
37/1.83
19/2.89
37/2.06
37/2.07
37/2.29
.505
.504
.528
.567
.575
.630
12.8
12.5
13.4
14.4
14.6
16.0
6530
6530
4934
4934
7894
7894
12
12
2.5
2.5
4
4
1/.071
7/.027
1/.0308
7/.0305
1/.089
7/.034
1/1.80
7/6.66
1/2.05
7/.775
1/2.26
7/.864
.071
.081
.081
.092
.089
.102
1.80
2.06
2.05
2.32
2.26
2.59
185
240
240
37/.0973
37/.100
37/104
37/.114
61/.089
37/.1162
37/2.47
37/2.54
37/2.64
37/2.90
61/2.26
37/2.95
.681
.700
.728
.798
.801
.813
17.3
17.8
18.5
20.3
20.3
20.7
10380
10380
13000
13090
11840
11840
10
10
9
9
6
6
1/.1019
7/.0355
1/.109
7/.042
1/.1144
7/.0432
1/2.59
7/.978
1/2.77
7/.107
1/2.91
7/1.10
.102
.116
.109
.126
.114
.130
2.59
2.93
2.77
3..21
2.91
3.30
300
61/.0905
61/.099
61/.0992
61/.1071
61/.1109
91/.0908
61/2.30
61/2.51
61/2.52
61/2.72
61/2.82
91/2.31
.814
.891
.893
.964
.998
.998
20.7
22.6
22.7
24.5
25.4
25.4
16510
16510
20520
20520
19740
19740
8
8
7
7
10
10
1/.1285
7/.0486
1/.141
7/.054
1/.1443
7/.0545
1/3.26
7/1.23
1/3.58
7/1.37
1/3.67
7/1.38
.128
.146
.141
.162
.144
.164
3.25
3.70
3.58
4.12
3.67
4.15
400
500
625
61/.114
61/.1145
91/.0938
61/.1280
91/.1048
91/.117
61/2.90
61/2.91
91/2.38
61/3.25
91/2.66
91/2.97
1.026
1.031
1.032
1.152
1.153
1.287
26.1
26.2
26.2
28.3
29.3
32.7
26240
26240
33090
41740
31580
6
6
5
4
16
1/.162
7/.0612
7/.008
7/.0688
7/.0772
1/4.11
7/1.55
7/1.73
7/1.75
7/1.96
.162
.184
.204
.206
.232
4.11
4.66
5.13
5.24
5.88
800
91/.1172
127/.0992
91/.1284
127/.1087
91/.132
91/2.93
127/2.52
91/3.26
127/2.76
91/3.35
1.289
1.200
1.412
1.413
1.452
32.7
32.8
36.9
36.9
36.9
52620
66300
49340
49340
69070
69070
3
2
25
25
35
35
7/.085
19/.052
7/.0867
7/.0974
7/.100
19/.001
7/2.16
10/1.32
7/2.20
7/2.47
7/2.54
19/1.55
.255
.260
.260
.292
.300
.305
6.48
6.60
6.61
7.42
7.62
7.75
98680
138100
187500
187500
237.8 kcmil
365.1 kcmil
473.6 kcmil
473.6 kcmil
592.1 kcmil
789.4 kcmil
986.8 kcmil
1233.7 kcmil
1578.8 kcmil
1973.5 kcmil
1000
83690
10500
133100
167800
167800
211600
250 kcmil
300 kcmil
350 kcmil
400 kcmil
500 kcmil
500 kcmil
600 kcmil
700 kcmil
750 kcmil
750 kcmil
800 kcmil
800 kcmil
1000 kcmil
1000 kcmil
1250 kcmil
1250 kcmil
1500 kcmil
1500 kcmil
2000 kcmil
2000 kcmil
91/.147
127/.1255
169/.1088
91/3.73
127/3.19
169/2.76
1.617
1.632
1.632
41.1
41.5
41.5
* The Utilities Grade is used principally by communications and power and light industries.
O-19
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Reference