How it works
Grounding and bonding keep exposed conductive surfaces at similar electrical potential. Circuit breakers and ground-fault protection perform related but distinct safety functions.
What people often miss
A three-prong outlet is not proof that the wiring is correctly grounded. Testing and repairs involving service equipment should be handled by qualified professionals.
Why this question comes up
Grounding usually goes unnoticed until a fault makes the safety path essential.
Key points
- Electrical grounding provides a controlled path for fault current and helps protective devices disconnect power when energized parts contact metal equipment.
- Grounding and bonding keep exposed conductive surfaces at similar electrical potential. Circuit breakers and ground-fault protection perform related but distinct safety functions.
- A three-prong outlet is not proof that the wiring is correctly grounded. Testing and repairs involving service equipment should be handled by qualified professionals.
Bottom line
Electrical grounding provides a controlled path for fault current and helps protective devices disconnect power when energized parts contact metal equipment.
Source and verification
This Answer was checked against National Fire Protection Association. Follow the source for the full official explanation and any later updates.