must move on a frequent enough basis so as to not cause undue delay for potential users who will not touch the controls as it opens the doors on every floor up the building. See also 39 categories of activity prohibited on Shabbat Electricity on Shabbat Driving on Shabbat Paternoster elevator Bibliography Bannett, D. R. The Sabbath Elevator Question, Elevators and Shabbat, The Institute for Science and Halacha. References External links Shabbat innovations Elevators