Adopts ISO 7176-28:2012 to specify requirements and test methods for electrically powered stair-climbing devices. It is applicable to stair-climbing chairs and stair-climbing wheelchair carriers where the stair-climbing device climbs backwards up the stairs, with the occupant facing downstairs, and climbs forwards down the stairs with the occupant also facing downstairs. It is also applicable to stair-climbing devices which are intended for the transport of adults and those intended for the transport of children. It is not applicable to stair-climbing devices that are intended to be operated by children as operating occupants or assistants, or to manually powered stair-climbing devices.
