Extension ladders shall be equipped with necessary guide irons, locks, and hooks and shall be assembled so that the sliding (upper) section shall be on top of the base (lower) section.
Or. Admin. Code § 437-003-0065
Stat. Auth.: ORS 654.025(2) & ORS 656.726(3)
Stats. Implemented: ORS 654.001 - ORS 654.295