This European Standard defines terms and specifies the general design characteristics of ladders.
It applies to portable ladders. It does not apply to step stools for which EN 14183 applies. It does also not apply
to ladders designed for specific professional use such as fire brigade ladders, roof ladders and mobile ladders.
EN 131-1:2007 Referenced Document
EN 131-2 Ladders - Part 2: Requirements, testing, marking*， 2017-01-01 Update
EN 131-4:2007 Ladders - Part 4: Single or multiple hinge-joint ladders