| Width x Thickness (mm) | Cross-Sectional Area (mm²) | Approx. Weight (kg/m) | | :---------------------: | :------------------------: | :-------------------: | | | 60 mm² | 0.53 | | 25 x 3 | 75 mm² | 0.67 | | 30 x 4 | 120 mm² | 1.07 | | 40 x 4 | 160 mm² | 1.42 | | 50 x 5 | 250 mm² | 2.23 | | 50 x 6 | 300 mm² | 2.67 | | 60 x 6 | 360 mm² | 3.20 | | 80 x 6 | 480 mm² | 4.27 | | 100 x 6 | 600 mm² | 5.34 |
A 10 mm² phase conductor → use 10 mm² earth. A 50 mm² phase → use 25 mm² earth. earth cable size chart