Handbook of Electrical Tables and Design Criteria

| Horse Power | Runs | 75 Wire | Volts L-L | Conduit Size In. | Ins. Eq. Ground Size [*] | Conduit with ENquip. Ground | Full Load Amps 100% | Design Amps 125% | Maximum Distance For 1% Drop | Approx. Percent Efficiency | Approx. Percent P.F. | Load KVA | NEC Switch Size 115% | NEMA Starter Size | Inst. C.B. HMCP Amps / 800% | Dual Ele. T.D. Fuse 175% | Inv. Time C.B. Amps 250% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2 | 1 | 14 | 480 | 1/2 | 14 | 1/2 | 1.1 | 1.4 | 998 | .77 | .80 | 0.91 | 30 | 00 | 3 / 9 | 3 | 5 |
| 1 | 14 | 240 | 1/2 | 14 | 1/2 | 2.2 | 2.8 | 250 | .77 | .80 | 0.91 | 30 | 00 | 3 / 18 | 6 | 10 | |
| 1 | 14 | 208 | 1/2 | 14 | 1/2 | 2.4 | 3.0 | 198 | .77 | .80 | 0.86 | 30 | 00 | 3 / 19 | 6 | 10 | |
| 3/4 | 1 | 14 | 480 | 1/2 | 14 | 1/2 | 1.6 | 2.0 | 686 | .77 | .80 | 1.32 | 30 | 00 | 3 / 13 | 3 | 5 |
| 1 | 14 | 240 | 1/2 | 14 | 1/2 | 3.2 | 4.0 | 172 | .77 | .80 | 1.32 | 30 | 00 | 7 / 26 | 6 | 10 | |
| 1 | 14 | 208 | 1/2 | 14 | 1/2 | 3.5 | 4.4 | 136 | .77 | .80 | 1.25 | 30 | 00 | 7 / 28 | 10 | 10 | |
| 1 | 1 | 14 | 480 | 1/2 | 14 | 1/2 | 2.1 | 2.6 | 523 | .80 | .80 | 1.74 | 30 | 00 | 3 / 17 | 6 | 10 |
| 1 | 14 | 240 | 1/2 | 14 | 1/2 | 4.2 | 5.3 | 131 | .80 | .80 | 1.74 | 30 | 00 | 7 / 34 | 10 | 15 | |
| 1 | 14 |