When pulling backbone cable in a vertical shaft, which of the following safety measures is MOST important to prevent cable stress and potential damage?
A.
Using guide pulleys every 2 m (6 ft) of the pathway
B.
Ensuring the fill ratio is below 70%
C.
Securing cables at intermediate support points to reduce tension buildup
D.
Pulling from the top floor downward to reduce friction
Chosen Answer:
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