Earth Cable Sizes • Proven
Electric showers, cookers, and EV chargers draw significant current. These typically require 6.0mm² or 10.0mm² twin and earth cables, which include a proportionately larger earth conductor to handle potential faults. 4. Main Equipotential Bonding (10mm² to 16mm²)
Here is a guide to earth cable sizes based on common international standards (IEE/BS 7671 UK and NEC USA). earth cable sizes