Voltage Loss Wiring Tables E-mail

Copper Wire - 5 Amperes - 120VAC < 700 feet

Wire
Gauge
Cable Length
100 feet
200 feet
300 feet
400 feet
500 feet
600 feet
Ω
V
Loss
Ω
V
Loss
Ω
V
Loss
Ω
V
Loss
Ω
V
Loss
Ω
V
Loss
1
0.0126
0.063
0.0253
0.126
0.0379
0.190
0.0506
0.252
0.0632
0.316
0.0758
0.379
2
0.0159
0.080
0.0319
0.159
0.0478
0.239
0.0637
0.319
0.0797
0.398
0.0956
0.478
3
0.0201
0.100
0.0402
0.201
0.0603
0.301
0.0804
0.402
0.1005
0.502
0.1205
0.603
4
0.0253
0.127
0.0507
0.253
0.0760
0.380
0.1013
0.507
0.1267
0.633
0.1520
0.760
5
0.0320
0.160
0.0639
0.320
0.0959
0.479
0.1278
0.639
0.1598
0.799
0.1917
0.959
6
0.0403
0.201
0.0806
0.403
0.1208
0.604
0.1611
0.806
0.2014
1.007
0.2417
1.208
7
0.0508
0.254
0.1016
0.508
0.1524
0.762
0.2032
1.016
0.2540
1.270
0.3048
1.524
8
0.0641
0.320
0.1281
0.641
0.1922
0.961
0.2562
1.281
0.3203
1.601
0.3843
1.922
9
0.0808
0.404
0.1615
0.808
0.2423
1.212
0.3231
1.615
0.4039
2.019
0.4846
2.423
10
0.1018
0.509
0.2036
1.018
0.3054
1.527
0.4072
2.036
0.5090
2.545
0.6018
3.054
11
0.1284
0.642
0.2568
1.284
0.3852
1.926
0.5136
2.568
0.6420
3.210
0.7704
3.852
12
0.1619
0.810
0.3238
1.619
0.4857
2.429
0.6476
3.238
0.8095
4.048
0.9714
4.857
13
0.2042
1.021
0.4084
2.042
0.6126
3.063
0.8168
4.084
1.0210
5.105
1.2252
6.126
14
0.2575
1.288
0.5150
2.575
0.7725
3.863
1.0300
5.150
1.2875
6.438
1.5450
7.725
15
0.3247
1.624
0.6494
3.247
0.9741
4.871
1.2988
6.494
1.6235
8.118
1.9482
9.741
16
0.4094
2.047
0.8188
4.094
1.2282
6.141
1.6376
8.188
2.0470
10.235
2.4564
12.282
17
0.5163
2.582
1.0326
5.163
1.5489
7.745
2.0652
10.326
2.5815
12.908
3.0978
15.489
18
0.6510
3.255
1.3020
6.510
1.9530
9.765
2.6040
13.020
3.2550
16.275
3.9060
19.530

 

Copper Wire - 5 Amperes -  > 700 feet - 120VAC

 

Wire
Gauge
Cable Length
700 feet
800 feet
900 feet
1000 feet
1500 feet
2000 feet
Ω
V
Loss
Ω
V
Loss
Ω
V
Loss
Ω
V
Loss
Ω
V
Loss
Ω
V
Loss
1
0.0885
0.442
0.1011
0.506
0.1138
0.569
0.1264
0.632
0.1896
0.948
0.2528
1.264
2
0.1115
0.558
0.1274
0.637
0.1434
0.717
0.1593
0.797
0.2390
1.195
0.3186
1.593
3
0.1406
0.703
0.1607
0.804
0.1808
0.904
0.2009
1.005
0.3014
1.507
0.4018
2.009
4
0.1773
0.887
0.2026
1.013
0.2280
1.140
0.2533
1.267
0.3800
1.900
0.5066
2.533
5
0.2237
1.118
0.2556
1.278
0.2876
1.438
0.3195
1.598
0.4793
2.396
0.6390
3.195
6
0.2820
1.410
0.3222
1.611
0.3625
1.813
0.4028
2.014
0.6042
3.021
0.8056
4.028
7
0.3556
1.778
0.4064
2.032
0.4572
2.286
0.5080
2.540
0.7620
3.810
1.0160
5.080
8
0.4484
2.242
0.5124
2.562
0.5765
2.882
0.6405
3.203
0.9608
4.804
1.2810
6.405
9
0.5654
2.827
0.6462
3.231
0.7269
3.635
0.8077
4.039
1.2116
6.058
1.6154
8.077
10
0.7126
3.563
0.8144
4.072
0.9162
4.581
1.0180
5.090
1.5270
7.635
2.0360
10.180
11
0.8988
4.494
1.0272
5.136
1.1556
5.778
1.2840
6.420
1.9260
9.630
2.5680
12.840
12
1.1333
5.667
1.2952
6.476
1.4571
7.286
1.6190
8.095
2.4285
12.143
3.2380
16.190
13
1.4294
7.147
1.6336
8.168
1.8378
9.189
2.0420
10.210
3.0630
15.315
4.0840
20.420
14
1.8025
9.013
2.0600
10.300
2.3175
11.588
2.5750
12.875
3.8625
19.313
5.1500
25.750
15
2.2729
11.365
2.5976
12.988
2.9223
14.612
3.2470
16.235
4.8705
24.353
6.4940
32.470
16
2.8658
14.329
3.2752
16.376
3.6846
18.423
4.0940
20.470
6.1410
30.705
8.1880
40.940
17
3.6141
18.071
4.1304
20.652
4.6467
23.234
5.1630
25.815
7.7445
38.723
10.3260
51.630
18
4.5570
22.785
5.2080
26.040
5.8590
29.295
6.5100
32.550
9.7650
48.825
13.0200
65.100

 

 

 
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