Voltage Drop (per ampere per meter): |
Conductor Operating Temperature: 60°C* |
| Conductor cross-sectional area | d.c. or single-phase a.c. | Three-phase a.c. |
| 1 | 2 | 3 |
| (mm2) | (mV/A/m) | (mV/A/m) |
| 0.5 | 93 | 80 |
| 0.75 | 62 | 54 |
| 1 | 46 | 40 |
| 1.25 | 37 | – |
| 1.5 | 32 | 27 |
| 2.5 | 19 | 16 |
| 4 | 12 | 10 |
Note:
* The tabulated values above are for 60°C thermoplastic or thermosetting insulated flexible cables and for other types of flexible cable they are to be multiplied by the following factors:
For 90°C thermoplastic or thermosetting insulated 1.09
150°C 1.31
185°C glass fibre 1.43
List of Other Technical Tables & Useful Links
- Table 4D1A | Single-core 70°C Thermoplastic Insulated Cables, Non-Armoured, with or without Sheath
- Table 4D2A | Multicore 70°C Thermoplastic Insulated and Thermoplastic Sheathed Cables, Non-Armoured
- Table 4D2B | Voltage Drop (per ampere per metre): Conductor Operating Temperature: 70°C
- Table 4E1A | Current-carrying Capacity Single-Core 90°C Thermosetting Insulated Cables, Non-Armoured, with or without Sheath
- Table 4E1B | Voltage Drop Single-Core 90°C Thermosetting Insulated Cables, Non-Armoured, with or without Sheath
- Table 4E2A | Multi-Core 90°C Thermosetting Insulated Cables and thermoplastic Sheathed Cables, Non-Armoured
- Table 4E2B | Voltage Drop (per ampere per metre): Conductor Operating Temperature: 90°C
- Table 4E3A | Single-Core Armoured 90°C Thermosetting Insulated Cables, Non-Magnetic Armour
- Table 4E3B | Voltage Drop (per ampere per metre):Conductor Operating Temperature: 90°C
- Table 4E4A | Multicore 90°C Thermosetting Insulated Cables
- Table 4E4B | Voltage Drop (per ampere per metre):Conductor Operating Temperature: 90°C
- Table 4F1A | 60°C Thermosetting Insulated Flexible Cables with Sheath, Non-Armoured
- Table 4F1B | 60°C Thermosetting Insulated Flexible Cables
- Table 4F2A | 90°C and 180°C Thermosetting Insulated Flexible Cables with Sheath, Non-Armoured (Copper Conductors)
- Table 4F2B | Voltage Drop (per ampere per metre): Conductor Operating Temperature: 90°C
- Table 4F3A | Flexible Cords, Non-Armoured
- Table 4F3B | Voltage Drop (per ampere per meter): Conductor Operating Temperature: 60°C
- AWG/Metric Conversion
- Stranding Chart
- BS 5308 Colour Codes
- Harmonised Cable Core Colours
- Cable Certifications
- Cable Colours
- DIN 47100 European Colour Codes
- Fire Performance Cable Standards
- Voltage Drop Calculations
