The trick here is to push the big black button down, until it clicks, and then push it back up to the top and it should click into position. The "Push to Test" button will basically trip this switch down fractionally again. A distribution board or distribution box is where the main power supply is distributed to multiple loads. And all the switching and protective devices are installed in the distribution box. Resetting a fuse on a consumer unit. Usually there will be labels on the switches indicating. Welcome to our channel @Electricalgenius In this video, we'll take you through a detailed step-by-step guide on wiring a home distribution DB (Distribution Board) box. Whether you're an electrician or a DIY enthusiast, this tutorial will help you understand the fundamentals of wiring a. The two manufacturers distribution boards which often look as though all the circuits are switched on, but the circuits are out, are electrical distribution boards made by MK, Memera 2000 (MEM), look for the name on the casing, or across the circuit breakers Take a look at the photographs below, we. An electrical panel box, also known as a breaker box or a distribution board, is a crucial component of any electrical system.