Difference Between Copper Bonded Ground Rods and Galvanized Ground Rods:
| COPPER BONDED GROUND/EARTH RODS | GALVANISED RODS | |
| METAL USED | COPPER | ZINC |
| MINIMUM THICKNESS | 10 MILS OR .01 INCHES | 3.9 MILS OR .0039 INCHES |
| SERVICE LIFE | 40 PLUS YEARS | 10 TO 15 YEARS |
