Upper incoming line, lower outgoing line, main circuit on the left, control circuit on the right, horizontal and vertical. An electrical panel box, also known as a breaker box or a distribution board, is a crucial component of any electrical system. more Learn how to wire a distribution box step by step! This video shows real on-site footage of. Whether you are an electrical contractor or a construction brigade, knowing how to properly and safely install distribution boxes is the basis of ensuring the safe operation of the entire system. This article details the process of installing them, which helps you comprehend distribution boxes. Connection method: Each switch takes a wire from the incoming point and connects it to the incoming end of the switch, or uses parallel connection to reduce the difficulty of wiring.
[PDF Version]