Actuator housings for airbag modules and related assemblies. In some embodiments, an airbag assembly may comprise an electrically conductive piece and an electro-explosive device coupled with the electrically conductive piece and positioned adjacent to the electrically conductive piece. The assembly may further comprise a housing for the electro-explosive device. The housing may be at least partially defined by a conductive plastic material having an electrical conductivity less than that of the electrically conductive piece.