What must be done to the bare copper bonding jumper in a grounded installation?

In a grounded installation, the bare copper bonding jumper plays a crucial role in ensuring that all grounding electrodes are effectively connected. This connection allows for a reliable path for fault current to return to the ground, ensuring the safety and operation of electrical systems. When bonding jumpers are connected to all grounding electrodes, they help to maintain system integrity and reduce the risk of electrical shock or equipment damage by ensuring that all components are at the same electrical potential.

The bare copper jumper must be installed correctly and connected to all required grounding electrodes, such as ground rods, ground plates, or metal structures, as specified in the National Electrical Code. This ensures that any potential electrical fault or surge is safely dissipated into the ground, thereby protecting both personnel and equipment.

In summary, connecting the bare copper bonding jumper to all grounding electrodes is vital for effective grounding and bonding practices in electrical installations.