If a worker is using a ladder near energized electrical equipment or power lines, from what should its side rails be made?
answer
a non-conductive material
question
A worker should always position a ladder at an angle where the horizontal distance from the top support to the foot of the ladder is _____ the working length of the ladder.
answer
1/4
question
Which ladders are NOT covered by the OSHA standards for stairways and ladders?
answer
Ladders that are purposely manufactured for scaffolds access and egress are not covered by the OSHA standards for stairways and ladders.
question
What must be provided where doors or gates open directly onto a stairway?
answer
a platform
question
Handrails and top rails must be capable of withstanding a load of _____ pounds.
answer
200
question
If the top edge of a stair rail system is serving as a handrail, how high must it be when measured from the upper handrail surface to the tread?
answer
A top edge of a stair rail system serving as a handrail must not be higher than 37 inches nor less than 36 inches when measured from the upper handrail surface to the tread.
question
For what application(s) can ladders having a pitch in excess of 90 degrees from the horizontal be used?
answer
For example, in conical sections of manholes, ladders having a pitch in excess of 90 degrees from the horizontal can be used.
question
How far must ladder rungs be spaced from each other?
answer
between 10 and 14 inches
question
Employers must provide a stairway or a ladder at points of access where the elevation between two steps is _____ inches or more.
answer
19
question
How far apart must the side rails of portable ladders be?
answer
11.5inches
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