Distribution Box vs Control Box vs Junction Box: Key
It does not control or distribute power in the same way as distribution or control boxes. Instead, its main role is to facilitate safe cable connections and
Secondary Distribution Box
The Secondary Distribution Box (SDB) receives power from Main Power Distribution box via an extender cable and provides a central power distribution to feed
Technical note
This reference is intended for preliminary specialty-cable research. Compatibility, link budgets, fire performance, installation methods, test limits and applicable standards must be verified for the specific project.