In this step by step tutorial, we will show how to wire a single Phase Consumer Unit Installation in home from Utility Pole to a Single-Phase Energy Meter & Single-Phase Distribution board and then How to connect Single Phase Loads in single Phase Wiring. In this step by step tutorial, we will show how to wire a single Phase Consumer Unit Installation in home from Utility Pole to a Single-Phase Energy Meter & Single-Phase Distribution board and then How to connect Single Phase Loads in single Phase Wiring. Single Phase wiring installation is the most common wiring in residential buildings. In Single Phase supply (230V in UK, EU and 120V & 240V in the US & Canada), there are two (one is Line (aka Phase, Hot or Live) and the other one is Neutral) incoming cables from the utility poles to the kWh energy. Hey, in this article we are going to see the Single Phase Distribution Box Wiring Diagram and Connection Procedure. A distribution board or distribution box is where the main power supply is distributed to multiple loads. This video explains the connection of MCBs, RCCBs, isolator. The diagram provides a visual representation of the electrical. Let's break it down into two main parts: the outer shell and the electrical parts inside.