1870 S. Acoma Street
Denver, CO 80223
Phone (303) 777-2428 Fax (303) 778-1939
HOW TO CALCULATE VOLTAGE DROP
Volts Drop =
FACTOR x AMPS x FEET
---------------------------------
100
Copper Conductor - 90% Power Factor
AWG
1
ø
3
ø
14
.4762
.4167
12
.3125
.2632
10
.1961
.1677
8
.1250
.1087
6
.0833
.0714
4
.0538
.0463
3
.0431
.0379
2
.0323
.0278
1
.0323
.0278
0
.0269
.0231
00
.0222
.0196
000
.0190
.0163
0000
.0161
.0139
250
.0147
.0128
300
.0131
.0114
350
.0121
.0106
400
.0115
.0091
500
.0101
.0088
Last modified: September 24, 2008
