The answer to 'junction box power surge' is that a power surge in a junction box is typically caused by a problem with the electrical system, such as a short circuit, overload, or lightning strike. Symptoms may include flickering lights, electrical equipment malfunctions, or tripped circuit breakers. Solutions may involve replacing damaged components, upgrading the electrical system, or installing surge protection devices.
If you experience a power surge in your junction box, it's important to address the issue promptly to prevent further damage to your home's electrical system. While some minor repairs may be suitable for a DIY approach, it's generally recommended to call a licensed electrician to diagnose and resolve the problem, especially if the issue is recurring or you're unsure of the cause.