Check the electrical load and ensure that the sensors do not exceed the 10 Amp maximum. In this guide, we'll walk through these. Outdoor low-voltage power distribution boxes (hereinafter referred to as "distribution boxes") are low-voltage distribution equipment used in 380/220V power supply systems to receive and distribute electrical energy. They are generally installed at locations such as the low-voltage side of. My lights began flickering when the shower was on so I went to the breaker box (outside my apartment, in the public hall of the building) and saw sparks. It can occur due to overloaded circuits, short circuits, or ground faults. Solution: Identify the Cause: Check if the breaker is tripping due to overloading. This often happens when too many.