Derating Factor for Multi-Conductor Cable
| No. of Cond. | Factor(x amps) |
|---|---|
| 2-5 | 0.8 |
| 6-15 | 0.7 |
| 16-30 | 0.5 |
Figures in this colour not to exceed 3 copper conductors based on @ 30°C ambient temperature.
For complete information and correction factors above 30°C ambient temperature, refer to the Canadian Electrical Code.
AMPACITY GUIDES
SUGGESTED GUIDE FOR LOW POWER ELECTRONIC COPPER CABLES
| Cond.Size | Ampacity @ | |||||
|---|---|---|---|---|---|---|
| 80°C | 90°C | 105°C | 125°C | 150°C | 200°C | |
| 24 | 6 | 7 | 7 | 8 | 9 | 10 |
| 22 | 8 | 9 | 10 | 11 | 14 | 17 |
| 20 | 10 | 12 | 13 | 14 | 18 | 22 |
| 18 | 15 | 17 | 18 | 20 | 27 | 31 |
| 16 | 19 | 22 | 24 | 26 | 32 | 39 |
PER CANADIAN ELECTRICAL CODE FOR SINGLE CONDUCTORS
| Cond.Size | Allowable Ampacity @ | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 60°C | 90°C | 110°C | 125°C | 200°C | ||||||
| 14 | 20 | 15 | 20 | 15 | 40 | 30 | 40 | 30 | 45 | 30 |
| 12 | 25 | 20 | 25 | 20 | 50 | 35 | 50 | 40 | 55 | 40 |
| 10 | 40 | 30 | 40 | 30 | 65 | 45 | 70 | 50 | 75 | 55 |
| 8 | 55 | 40 | 70 | 45 | 85 | 60 | 90 | 65 | 100 | 70 |
| 6 | 80 | 55 | 100 | 65 | 120 | 80 | 125 | 85 | 135 | 95 |
| 4 | 105 | 70 | 135 | 85 | 160 | 105 | 170 | 115 | 180 | 120 |
| 2 | 140 | 100 | 180 | 120 | 210 | 135 | 225 | 145 | 240 | 165 |
| 1 | 165 | 110 | 210 | 140 | 245 | 160 | 265 | 170 | 280 | 190 |
| 1/0 | 195 | 125 | 245 | 155 | 285 | 190 | 305 | 200 | 325 | 225 |
| 2/0 | 225 | 145 | 285 | 185 | 330 | 215 | 355 | 230 | 370 | 250 |
| 3/0 | 260 | 165 | 330 | 210 | 385 | 245 | 410 | 265 | 430 | 285 |
| 4/0 | 300 | 195 | 385 | 235 | 445 | 275 | 475 | 310 | 510 | 340 |