Extra exam question E0A07
Subelement E0, SAFETY· Group E0A
What is meant by “100% tie-off” regarding tower safety?
- A.All loose ropes and guys secured to a fixed structure
- B.At least one lanyard attached to the tower at all times (correct answer)
- C.All tools secured to the climber’s harness
- D.All circuit breakers feeding power to the tower must be tied closed with tape, cable, or ties
Why"100% tie-off" in tower safety means at least one lanyard is attached to the tower at all times. "100% tie-off" in tower safety means a climber has at least one lanyard securely attached to the tower structure at all times while above ground, ensuring there's never a moment where a fall wouldn't be arrested, answer B. It isn't about securing loose ropes and guys, isn't specifically about tool tethering, and isn't a description of taping circuit breakers closed, those are separate, real tower-safety practices but not what "100% tie-off" itself refers to.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2024-2028 NCVEC Element 4 pool (public domain); the explanation above is original writing, see our methodology.
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