Middle Atlantic MPR-JB853A Junction BoxThe Middle Atlantic MPR JB853A Junction Box is a rugged, purpose built solution designed to keep your AV and power distribution systems neat, accessible, and compliant within professional environments. Crafted from steel and finished in a durable black powder coat, this junction box is built to withstand the demands of rack rooms, stage setups, and install sites where reliability matters as much as aesthetics. It seamlessly integrates with Middle