Section 408.10427. Portable rung ladder lengths.

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Rule 427. (1) A portable rung ladder which is of a greater length than given in table 1 shall not be used.

(2) Table 1 reads as follows:

TABLE 1 PORTABLE RUNG LADDER

LENGTHS

Type of Ladder	Maximum Length
Single ladder	22 feet
Two-section extension ladder	40 feet
Three-section extension ladder	60 feet
Assembled section ladder	21 feet
Trestle ladder or extension sections or base sections of an extension trestle ladder	18 feet

History: 1979 AC; 1981 AACS.

                    
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