Enhance your setup with the MPR-JB663A, a premium solution designed to meet the demands of modern AV and IT installations. Optional J-box fits on end of MPR raceway; with electrical knockouts Optional J-box fits on end of MPR raceway Equipped with electrical knockouts Steel construction with a black finish. This product is engineered with precision and built to deliver reliable performance in professional environments. Whether you're outfitting a data center, upgrading a studio, or managing a commercial AV system, the MPR-JB663A offers the durability and functionality you need. Its robust construction and thoughtful design ensure seamless integration and long-term dependability. Choose the MPR-JB663A for your next project and experience the difference in quality and performance. With features tailored to industry standards and user-friendly installation, this product is a top choice for professionals seeking efficiency and excellence.