What happens if the equipment grounding conductor is not correctly sized according to NEC?

When the equipment grounding conductor is not correctly sized according to the National Electrical Code (NEC), it can lead to significant potential hazards and equipment damage. The grounding conductor is vital for safety; it helps to safely dissipate fault currents, protecting both people and equipment from electric shock and damage.

If the grounding conductor is too small, it may not be able to carry the fault current safely, which can result in inadequate protection. This inadequacy can lead to dangerous situations where energy from a short circuit could energize equipment enclosures or pathways, posing serious risks of electrical shock or fire. Furthermore, an improperly sized grounding conductor can fail to protect sensitive electronic equipment from voltage spikes or surges, leading to malfunction or destruction of electrical devices.

Thus, ensuring that the equipment grounding conductor is properly sized is crucial for maintaining safety and functionality in electrical systems.