What is the smallest ground wire size allowed for a communications box?

The smallest ground wire size allowed for a communications box is 14 gauge. This gauge is commonly specified in codes and standards relating to low voltage and communication systems because it provides a balance between flexibility and current-carrying capability. Using a wire that is too small might not adequately protect the system from overcurrents, while larger wires can become impractical in terms of installation and handling. The 14-gauge wire is suitable for providing effective grounding in most communication applications, ensuring safety and compliance with electrical standards.