The NEC also forbids the working space to be used for storage. But the "working space" is generally a small portion of the room in which electrical panels are located. The rest of the room can be used for storage, so long as the areas in front of the panels are not.29 CFR 1910.303(g) talks about low voltage systems. Specifically, when talking about work space, para 1910.303(g)(1)(ii) states: Working space required by this standard may not be used for storage.