Core TradesQuestion 132 of 700
What is the primary function of the equipment grounding conductor in a branch circuit?
a.To carry the normal load current back to the source
b.To improve the circuit's power factor
c.To reduce voltage drop to the load
d.To provide a low-impedance fault path so the overcurrent device trips quickly
Explanation
The equipment grounding conductor bonds metal parts and provides a low-impedance path for fault current, allowing the breaker or fuse to open quickly and clear a fault. It does not carry normal load current (that is the neutral), and it does not affect power factor or voltage drop under normal operation.
Law Reference: 2025 CA Electrical Code, Art. 250Practice all 700 questions free — no signup required.
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