An electrical box comprises a back wall and opposing top and bottom walls. Coupled to a top wall is a track that is configured to interface with a wall mount feature (such as a nail boss) in such a manner that the wall mount features can slide within the track. In such a manner, the wall mount features can be placed in a forward position for storage or transportation, and in a rearward position when installed in a wall. The forward position of the wall mounting feature allows electrical boxes to be nested within each other, raising the shipping density of electrical boxes that can be stored.