Current Carrying Capacity of Wires
In the world of electrical work, precision and safety are paramount.
In the world of electrical work, precision and safety are paramount.
Wire Size (mm²) | PVC Insulation (Amps) | XLPE Insulation (Amps) | Rubber Insulation (Amps) |
---|---|---|---|
1.5 | 16 | 18 | 15 |
2.5 | 21 | 24 | 20 |
4.0 | 28 | 32 | 27 |
6.0 | 36 | 40 | 35 |
10.0 | 50 | 55 | 47 |
16.0 | 68 | 75 | 63 |
25.0 | 85 | 90 | 79 |
35.0 | 105 | 120 | 99 |
50.0 | 125 | 145 | 119 |
70.0 | 160 | 180 | 151 |
The "Current Carrying Capacity of Wires" table is an essential reference for electricians, engineers, and contractors who work with electrical installations. Properly sizing wires based on their current carrying capacity ensures that electrical circuits are safe and efficient, preventing overheating and potential fire hazards.
This table provides the maximum current that can be safely carried by wires of different sizes, depending on the type of insulation used. The insulation types include PVC (Polyvinyl Chloride), XLPE (Cross-Linked Polyethylene), and Rubber insulation, each offering different thermal properties and current ratings.
Use this table as a guide to select the appropriate wire size and insulation type for your specific application, taking into consideration the ambient temperature and installation environment. For critical installations or where high currents are involved, it is advisable to consult a licensed electrician or engineer to ensure compliance with local codes and standards.
More: