25mm2 = 5mm * 5mm
see cable table chart
The correct size of main bonding for a TN-S system with a 25mm2 phase and neutral conductor would typically be based on the size of the earthing conductors specified by regulations and standards in your region. It is important to consult local electrical codes or a licensed electrician to ensure compliance with safety requirements.
About 7.419615 m2
1 ha = 10.000 m2
40cm2 into m2
0.08216 m2
0.01mm2=?m2
The GCF of m2, m3, and m4 is m2.
4 per square metre.
1500 m2 = 16145.9 ft21 m2 = 10.76 ft2
About 167.2 m2