(a) This chapter does not apply to equipment in a private building for a labor union, trade association, private club, or charitable organization that has two or fewer floors.
(b) This chapter does not apply to an elevator located in a single-family dwelling, except as provided by § 754.0141.

(c) This chapter does not apply to equipment located in a building owned and operated by the federal government.
(d) This chapter does not apply to equipment in an industrial facility, or in a grain silo, radio antenna, bridge tower, underground facility, or dam, to which access is limited primarily to employees of or working in that facility or structure.