Is it legal in NC to use a tire plug on a sidewall?

In North Carolina, using a tire plug on a sidewall is generally not recommended and may be considered illegal or unsafe. Tire sidewalls are more susceptible to damage, and repairs in this area are typically not considered reliable. It's best to consult with a professional tire technician for proper repairs or replacements, as they adhere to safety regulations and guidelines. Always prioritize safety and legality when it comes to tire repairs.