27. Portable extension ladder: The length of a portable extension ladder with 2 or more extensions, measured along the siderails, cannot exceed 15 m.
Where the ladder is deployed, the raised section shall mandatorily be on top of the lower section at all times during use.
O.C. 885-2001, s. 27; O.C. 502-2018, s. 411O.C. 502-2018, s. 412.