We can open the door of the power distribution box. Remember to cut off the main power first! In case of tripping problem, we can first determine which circuit has the problem, and then turn on the switch to restore the power supply. Distribution boxes are the unsung heroes of our electrical systems, quietly managing power until something goes wrong. When they start tripping, overheating, or making strange noises, it's more than just an inconvenience - it's your home's cry for help. I am wondering if there is such a. This guide will help you understand what an RCD is, how to reset it safely, how to find the cause of the fault, and when it's time to call in a professional.