The answer to 'fuse box dimming lights' is that a dimming or flickering light can be caused by a problem with the fuse box or electrical circuit. This could be due to a loose connection, a tripped circuit breaker, or a faulty fuse. Symptoms may include lights that dim or flicker, or electrical appliances that seem to be losing power.
If the issue is limited to one or a few lights, it may be a simple fix like tightening a connection or replacing a fuse. However, if the problem is widespread or you're unsure of the cause, it's best to call an licensed electrician to diagnose and repair the issue. Tampering with the fuse box or electrical system yourself can be dangerous if you're not a trained professional.