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TECHNICAL SECTION
Copper Wire




 
SOLID COPPER WIRE
WIRE
SIZE
AWG
APPROX.
DIAMETER
IN INCHES
CROSS SECTIONAL AREA
LBS./
1000 FT
ANNEALED UNCOATED

MAXIMUM
BREAKING
STRENGTH LBS.

MAX, d-c
RESISTANCE
@ 20C
OHMS/1000 FT.
CIRCULAR
MILS
SQUARE
INCHES
24
0.0201
404.
0.000317
1.22
15.0
25.7
23
0.0226
511.
0.000401
1.55
15.4
20.3
22
0.0253
640.
0.000503
1.94
19.4
16.2
21
0.0285
812.
0.000638
2.46
24.6
12.8
20
0.0320
1,020.
0.000804
3.10
31.0
10.1
18
0.0403
1,620.
0.00128
4.92
49.1
6.39
16
0.0508
2,580.
0.00203
7.81
73.0
4.02
14
0.0641
4,110.
0.00323
12.4
124.0
2.52
12
0.0808
6,530.
0.00513
19.8
197.0
1.59
 
VARIOUS STRANDING COMBINATIONS
SIZE
CIR. MILS.
OR
AWG
APPROX.
OVERALL
DIAMETER
IN INCHES
NUMBER OF INDIVIDUAL WIRE STRANDS
3
7
12
19
37
61
91
127
169
217
49
(7x7)
133
(19x7)
349
(7x7)
24
.024
.008
.005
22
.030
.0100
.0063
20
.038
.0126
.008
18
.046
.0152
.010
16
.058
.0293
.0192
.0147
.0117
.0084
.0065
.0053
.0045
.0039
.0035
.0073
.0044
14
.073
.0370
.0242
.0185
.0147
.0105
.0082
.0067
.0057
.0049
.0044
.0092
.0056
12
.092
.0467
.0305
.0233
.0185
.0133
.0103
.0085
.0072
.0062
.0055
.0155
.0070
.0050
10
.115
.0589
.0385
.0294
.0234
.0167
.0131
.0107
.0090
.0078
.0069
.0146
.0088
.0063