Nec Voltage Drop: copper
NEC Chapter 9 Table 8 wire resistance and reactance data — DC resistance, AC resistance, and reactance for copper and aluminum conductors in PVC and steel conduit
| conductor material | conductor size | ac reactance ohm per kft pvc (ohm/kft) | ac reactance ohm per kft steel (ohm/kft) | ac resistance ohm per kft pvc (ohm/kft) | ac resistance ohm per kft steel (ohm/kft) | area cmil (cmil) | dc resistance ohm per kft uncoated (ohm/kft) | nec table | stranding |
|---|---|---|---|---|---|---|---|---|---|
| copper | 1 AWG | 0.046 | 0.057 | 0.15 | 0.16 | 83,690 | 0.154 | chapter9_table8 | 19 |
| copper | 1/0 AWG | 0.044 | 0.055 | 0.12 | 0.12 | 105,600 | 0.122 | chapter9_table8 | 19 |
| copper | 10 AWG | 0.05 | 0.063 | 1.2 | 1.2 | 10,380 | 1.21 | chapter9_table8 | solid |
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