This document provides specifications for various distribution boxes including dimensions, mounting sizes, and number of ways. Plastic Electrical Box, also known as a consumer control unit or electricity control unit. It is a vital part and central hub of any electrical system. Whether it's a home, office, or factory. Abstract: This article provides an in-depth guide on Iron Electrical Distribution Boxes, focusing on their specifications, applications, safety considerations, and maintenance. To extinguish the arc immediately in iso ators, in each phase arc-chutes with minimum 12 strips ype.