What is the smallest permitted size for a copper grounding conductor for signal reception installations?

The smallest permitted size for a copper grounding conductor for signal reception installations is indeed 10 gauge. This standard is established to ensure adequate safety and performance in telecommunications and low-voltage systems. A grounding conductor is critical for protecting equipment and personnel from electrical faults by providing a low-resistance path for fault currents to safely dissipate into the ground.

Using a 10 gauge copper grounding conductor meets safety codes and is sufficient to handle potential fault currents without dissipating heat excessively or posing a risk of failure. Compliance with these specifications is crucial for ensuring that installations are both effective and safe, reducing the risk of interference and ensuring the integrity of signal reception systems.