
Table 4F3A Unarmored Flexible Cables – IEE
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Flexible, unshielded cables
| Cross-sectional area of the conductor | Current carrying capacity | Maximum weight that can be supported by Flexible double rope (see Regulations) 522.7.2 and 559.6.1.5) | |
| Single-phase alternating current. | Three-phase alternating current. | ||
| 1 | 2 | 3 | 4 |
| (mm2) | (A) | (A) | (kg) |
| 0.5 | 3 | 3 | 2 |
| 0.75 | 6 | 6 | 3 |
| 1 | 10 | 10 | 5 |
| 1.25 | 13 | 5 | |
| 1.5 | 16 | 16 | 5 |
| 2.5 | 25 | 20 | 5 |
| 4 | 32 | 25 | 5 |
For cables on reels, see the notes in the table in 4F1A.
Classification factor for ambient temperature
60°C thermoplastic or thermosetting insulated cables: | ||||||
| Room temperature: | 35°C | 40°C | 45°C | 50°C | 55°C | |
| Correction factor: | 0.91 | 0.82 | 0.71 | 0.58 | 0.41 | |
90°C thermoplastic or thermosetting insulated cables: | ||||||
| Room temperature: | 35 ° C is 50 ° C | 55°C | 60°C | 65°C | 70°C | |
| Correction factor: | 1.0 | 0.96 | 0.83 | 0.67 | 0.47 | |
180°C thermosetting insulated cables: | ||||||
| Room temperature: | 35 ° C is 120 ° C | 125°C | 130°C | 135°C | 140°C | 145°C |
| Correction factor: | 1.0 | 0.96 | 0.85 | 0.74 | 0.60 | 0.42 |
Fiberglass cords: | ||||||
| Room temperature: | 35 ° C is 150 ° C | 155°C | 160°C | 165°C | 170°C | 175°C |
| Correction factor: | 1.0 | 0.92 | 0.82 | 0.71 | 0.51 | 0.40 |