This document provides specifications for various distribution boxes including dimensions, mounting sizes, and number of ways. Check out this quick guide: Think about how many devices you need, where you will. Electrical box dimensions typically refer to: Correct dimensions ensure: Single-gang boxes are the most common type, used for one switch or outlet. Common uses: wall outlets, light switches, low-voltage controls. Tip: Depth is. 4 KV Substation of the ratings indicated above. JUNON new range: C6 series Single Phase. 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. Dimensions included are length, width.