Check the electrical load and ensure that the sensors do not exceed the 10 Amp maximum. This guide covers every common cause, explains what homeowners can check safely, and provides a structured diagnostic approach for electricians. “ I've won two contracts this month. Start by unplugging all appliances connected to the affected sockets to reduce the load. In. In modern power systems, distribution boxes are the core equipment for power distribution and control, and their stable operation is crucial to ensuring the safety and reliability of power supply.