This document provides specifications for various distribution boxes including dimensions, mounting sizes, and number of ways. We manufacture and stock Distributions Boxes in various sizes from 3 outlets to 14 outlets:Whether it's a small electrical breaker box in a residential property or a panel medium voltage cabinet in industrial environments, selecting the right type, size, and configuration is critical. Check out this quick guide: Think about how many devices you need, where you will install the box, and the environment. Picking the right size helps you stay safe, follow. In this guide, we'll break down the 12 main types of distribution boxes in a way that's easy to understand. JUNON new range: C6 series Single Phase.