IEC lesson 108 HW - where they can be knocked off onto employees wo...

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7 IEC lesson 108 HW 1.On a jobsite, you must keep tools and materials away from the edge where they can be knocked off onto employees working below.ANS scaffold and floor openings 2.When working on a ladder jack scaffold, adequate fall protection devices must be used when the scaffold height exceeds feet above the floor below.

ANS 10

3.Generally, scaffold planking must be at least inches wide.

ANS 18

4.Materials falling off scaffolds .ANS can be prevented by placing screening up to the guard rail

• can prevent scaffolding accidents

ANS Good housekeeping and safe proce- dures

• may be used to raise worker height on a scaffold.

ANS nothing 7.The maximum distance between the scaffold and the structure is . If you 1 / 2

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7 exceed this distance, you must install a standard guard rail.ANS 14 inches or 18 inches for plasterers and lathers 8.Dissimilar metals and other manufacturer's scaffold parts and materials can't be intermixed unless determines that it is safe to do so.ANS a competent person 9.Planking on scaffolds .ANS cannot be painted, unless it is with a clear material 10.How often should scaffolds be inspected?ANS each day before using 11.Ignoring the effects of voltage drop, a 20-ampere branch circuit requires conductors.ANS 12 AWG copper 12.Where 12 AWG THHN/THWN copper circuit conductors are connected to a 15- amp circuit breaker, the circuit is considered to be a -amp branch circuit.

ANS 15

13.According to NEC Section 240.4(B), if the ampacity of a conductor does not match up with a standard fuse rating, what are you allowed to do?ANS Use the next higher standard rating

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