Step ladder definition
Step ladder. ’ means a self-supporting portable ladder, non-adjustable in length, with flat steps and a hinged back.
Step ladder means a self-supporting portable ladder that is not adjustable in length, having flat steps and a hinged back, and whose back section is either a single ladder or other supporting device, but does not include a step stool or platform ladder;
Step ladder means a self-supporting portable ladder, non-adjustable in length, having flat steps or treads and hinged back legs;