Wiring
Table 2-4 One-Way Wire Distance and Wire Size
Maximum
12 Vdc Application Shown
For 24 Vdc Systems, Multiply distance by 2 For 48 Vdc Systems, Multiply distance by 4
| Distance in Feet (meters) |
| Distance in Feet (Meters)a |
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Amps | 12 | 10 | 8 | 6 | 4 | 3 | 2 | 1 | 1/0 | 2/0 | ||
AWG | AWG | AWG | AWG | AWG | AWG | AWG | AWG | AWG | AWG | |||
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10 |
| 8.8 ft. | 14 ft. | 22.2 ft. | 35.3 ft. | 56.1 ft. | 70.9 ft. | 89.6 ft. | 112.5 ft. | 141.7 ft. | 225.8 ft. | |
| (2.68 m) | (4.27 m) | (6.77 m) | (10.76 m) | (17.10 m) | (21.61 m) | (27.31 m) | (34.29 m) | (43.19 m) | (68.82 m) | ||
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12 |
| 7.3 ft. | 11.6 ft. | 18.5 ft. | 29.4 ft. | 46.7 ft. | 59.1 ft. | 74.6 ft. | 93.7 ft. | 118.1 ft. | 188.2 ft. | |
| (2.23 m) | (3.54 m) | (5.64 m) | (8.96 m) | (14.23 m) | (18.01 m) | (22.74 m) | (28.56 m) | (36.00 m) | (57.36 m) | ||
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14 |
| 6.3 ft. | 10 ft. | 15.9 ft. | 25.2 ft. | 40.1 ft. | 50.6 ft. | 64.0 ft. | 80.4 ft. | 101.2 ft. | 161.3 ft. | |
| (1.92 m) | (3.05 m) | (4.85 m) | (7.68 m) | (12.22 m) | (15.42 m) | (19.51 m) | (24.51 m) | (30.85 m) | (49.16 m) | ||
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16 |
| 5.5 ft. | 8.7 ft. | 13.9 ft. | 22.1 ft. | 35.0 ft. | 44.3 ft. | 56.0 ft. | 70.3 ft. | 88.6 ft. | 141.2 ft. | |
| (1.68 m) | (2.65 m) | (4.24 m) | (6.74 m) | (10.67 m) | (13.50 m) | (17.07 m) | (21.43 m) | (27.01 m) | (43.04 m) | ||
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18 |
| 4.9 ft. | 8.8 ft. | 12.4 ft. | 19.6 ft. | 31.2 ft. | 39.4 ft. | 49.8 ft. | 62.5 ft. | 78.7 ft. | 125.5 ft. | |
| (1.49 m) | (2.38 m) | (3.78 m) | (5.97 m) | (9.51 m) | (12.01 m) | (15.18 m) | (19.05 m) | (23.99 m) | (38.25 m) | ||
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20 |
| 4.4 ft. | 7 ft. | 11.1 ft. | 17.6 ft. | 28.0 ft. | 35.4 ft. | 44.8 ft. | 56.2 ft. | 70.9 ft. | 112.9 ft. | |
| (1.34 m) | (2.13 m) | (3.38 m) | (5.36 m) | (8.53 m) | (10.79 m) | (13.66 m) | (17.13 m) | (21.61m) | (34.41 m) | ||
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25 |
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| 5.6 ft. | 8.9 ft. | 14.1 ft. | 22.4 ft. | 28.3 ft. | 35.8 ft. | 45.0 ft. | 56.7 ft. | 90.3 ft. | |
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| (1.71 m) | (2.71 m) | (4.30 m) | (6.83 m) | (8.63 m) | (10.91 m) | (13.72 m) | (17.28 m) | (27.52 m) | ||
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30 |
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| 4.7 ft. | 7.4 ft. | 11.8 ft. | 18.7 ft. | 23.6 ft. | 29.9 ft. | 37.5 ft. | 47.2 ft. | 75.3 ft. | |
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| (1.43 m) | (2.26 m) | (3.60 m) | (5.70 m) | (7.19 m) | (9.11 m) | (11.43 m) | (14.39 m) | (22.95 m) | ||
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35 |
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| 6.4 ft. | 10.1 ft. | 16.0 ft. | 20.2 ft. | 25.6 ft. | 32.1 ft. | 40.5 ft. | 64.5 ft. | |
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| (1.95 m) | (3.08 m) | (4.88 m) | (6.16 m) | (7.80 m) | 9.78 m) | (12.34 m) | (19.66 m) | ||
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40 |
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| 5.6 ft. | 8.8 ft. | 14.0 ft. | 17.7 ft. | 22.4 ft. | 28.1 ft. | 35.4 ft. | 56.5 ft. | |
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| (1.71 m) | (2.68 m) | (4.27 m) | (5.39 m) | (6.83 m) | (8.56 m) | (10.79 m) | (17.22 m) | ||
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45 |
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| 7.8 ft. | 12.5 ft. | 15.7 ft. | 19.9 ft. | 25.0 ft. | 31.5 ft. | 50.2 ft. | |
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| (2.38 m) | (3.81 m) | (4.79 m) | (6.07 m) | (7.62 m) | (9.60 m) | (15.30 m) | ||
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50 |
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| 7.1 ft. | 11.2 ft. | 14.2 ft. | 17.9 ft. | 22.5 ft. | 28.3 ft. | 45.2 ft. | |
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| (2.16 m) | (3.41 m) | (4.33 m) | (5.46 m) | (6.86 m) | (8.63 m) | (13.78 m) | ||
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60 |
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| 6.3 ft. | 9.3 ft. | 11.8 ft. | 14.9 ft. | 18.7 ft. | 23.6 ft. | 37.6 ft. | |
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| (1.92 m) | (2.83 m) | (3.60 m) | (4.54 m) | (5.7 m) | (7.19 m) | (11.5 m) | ||
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a.These wire sizes are not approved by UL to be installed in the controller, but may be used externally of the controller (using a splicer block) to reduce voltage drop and improve performance.
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