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8.3Recommended minimum AWG size for extension cords for battery chargers:
AC input rating, |
|
| AWG size of cord |
|
| |||
amperesa |
| Length of cord, feet (m) |
|
| ||||
At least | But less | 25 | 50 | 100 |
| 150 |
| |
than | (7.6) | (15.2) | (30.5) |
| (45.6) |
| ||
|
|
| ||||||
0 | 2 | 18 |
| 18 | 18 |
| 16 |
|
2 | 3 | 18 |
| 18 | 16 |
| 14 |
|
3 | 4 | 18 |
| 18 | 16 |
| 14 |
|
4 | 5 | 18 |
| 18 | 14 |
| 12 |
|
5 | 6 | 18 |
| 16 | 14 |
| 12 |
|
6 | 8 | 18 |
| 16 | 12 |
| 10 |
|
8 | 10 | 18 |
| 14 | 12 |
| 10 |
|
10 | 12 | 16 |
| 14 | 10 |
| 8 |
|
12 | 14 | 16 |
| 12 | 10 |
| 8 |
|
14 | 16 | 16 |
| 12 | 10 |
| 8 |
|
16 | 18 | 14 |
| 12 | 8 |
| 8 |
|
18 | 20 | 14 |
| 12 | 8 |
| 6 |
|
aIf the input rating of a charger is given in watts rather than in amperes, the corresponding ampere rating is to be determined by dividing the wattage rating by the voltage rating ‒ for example:
1250 watts/125 volts = 10 amperes
8.4
Grounding Methods
• 7 •