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Fire Resisting Cable |
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Fire Resisting Cables
Current Rating and Voltage Drop
Single Core PVC Insulated Flexible Cables
Technical Data Flexible Cord, Imperial Sizes| Conductor | Current Rating | Volt Drop per 100FT | Maximum Weight supportable by twin flexible cord (lb) | ||
|---|---|---|---|---|---|
| Nominal Area (in²) | Construction (no./in) | 1 or 3 phase ac or dc (Amp) | dc or 1 phase ac (V) | 3 phase ac (V) | |
| 0.0006 | 14/0.0076 | 3 | 8.9 | 7.7 | 3 |
| 0.0010 | 23/0.0076 | 6 | 11 | 9.4 | 5 |
| 0.0017 | 40/0.0076 | 13 | 14 | 12 | 10 |
| 0.0030 | 70/0.0076 | 18 | 12 | 10 | 10 |
| 0.0048 | 110/0.0076 | 24 | 9.6 | 8.3 | 10 |
| 0.0070 | 162/0.0076 | 31 | 8.4 | 7.3 | 10 |
Note: Rating factors for ambient temperature other than 30℃ please refer Table E
Technical Data Flexible Cord, Metric Sizes| Conductor | Current Rating | Volt Drop per 100FT | Maximum Weight supportable by twin flexible cord (kg) | ||
|---|---|---|---|---|---|
| Nominal Area (mm²) | Construction (no./mm) | 1 or 3 phase ac or dc (Amp) | dc or 1 phase ac (mV/A/m) | 3 phase ac (mV/A/m) | |
| 0.50 | 16/0.2 | 3 | 83 | 72 | 2 |
| 0.75 | 24/0.2 | 6 | 56 | 48 | 3 |
| 1.00 | 32/0.2 | 10 | 43 | 37 | 5 |
| 1.25 | 40/0.2 | 13 | 35 | 29 | 5 |
| 1.50 | 30/0.25 | 15 | 31 | 26 | 5 |
| 2.50 | 50/0.25 | 20 | 18 | 16 | 5 |
| 4.0 | 56/0.3 | 25 | 11 | 9.6 | 5 |
Note: Rating factors for ambient temperature other than 30℃ please refer Table E
Table E: Rating Factors for Other Ambient Air Temperatures (PVC Insulated)
| Ambient Air Temperature | 30℃ | 35℃ | 40℃ | 45℃ | 50℃ | 55℃ | 60℃ | 65℃ | 70℃ |
|---|---|---|---|---|---|---|---|---|---|
| PVC cords, non-heat resisting | 1.00 | 0.96 | 0.92 | 0.87 | 0.71 | 0.50 | - | - | - |
| PVC cords, heat resisting | 1.00 | - | - | - | 1.00 | 0.96 | 0.83 | 0.67 | 0.47 |