Distribution Box Installation: Put the distribution box on the installation surface, and align the position of the expansion bolts and tighten the screws. Check for proper IP/NEMA ratings and material quality. Ensure safe placement: install in. Designed for both power and low-voltage (multimedia) applications, the Panasonic Modular Distribution Box meets high safety standards with its fire-resistant structure and IP40 protection rating. 1 TE usually corresponds to one switch or one fuse.