Rigging For Electrical Industry 1 Practice Test

There are how many standard signals a qualified signalperson must be familiar with?

20 21 22 23

Correct Answer:

Explanation:

Having a fixed set of signals makes crane operations predictable and safe, so the signalperson must know all the standard commands that cover the crane’s essential movements and emergency instructions. There are twenty-one distinct standard signals the qualified signalperson must be familiar with, ensuring clear and unambiguous communication with the operator in any working condition. This comprehensive set keeps actions coordinated, especially when visibility is limited or noise is high, and avoids confusion that could come from using nonstandard or extra signals.

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