R.I. Gen. Laws § 23-33-28: Municipal regulation.

No city or town shall have power to make any ordinance, bylaw or resolution concerning elevators, escalators, or other devices subject to the provisions of this chapter regarding the inspection, licensing, construction, installation, maintenance, or repair of any elevator, escalator or other device subject to the provisions of this chapter within the limits of the city or town, and any ordinance, bylaw or resolution heretofore made or passed or concerning any of the matters subject to this chapter, shall be void and of no effect. Any application made to municipalities shall be immediately forwarded for consideration and inspection to the division of occupational safety.