The answer to 'junction box flickering lights' is that a flickering light in a junction box is usually caused by a loose connection or a problem with the wiring. This can be a fire hazard, so it's important to address the issue promptly. Common symptoms include intermittent flickering, dimming, or buzzing from the light fixture.
Some possible solutions include tightening the connections in the junction box, replacing worn or damaged wiring, or checking for a loose bulb or fixture. If the problem persists or you're not comfortable working with electrical components, it's best to call a licensed electrician to diagnose and fix the issue.