Which of the following is NOT a type of ladder?

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Study for the Con Edison Basic Electric Test. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which of the following is NOT a type of ladder?

Explanation:
Access equipment for working at height needs a rigid, stable frame with solid handholds. A rope ladder doesn’t provide that level of stability because it uses flexible rope with rungs, which can sway, stretch, or twist and doesn’t offer the same secure footing or side rails as a proper ladder. In electrical work, that instability isn’t acceptable, so rope ladders aren’t considered a standard ladder type for safe access. The other options—pole ladder with rigid poles and rungs, a straight ladder as a single rigid length, and a step ladder that stands on its own—are all recognized ladder types because they give firm support and stable footing needed for safe climbing.

Access equipment for working at height needs a rigid, stable frame with solid handholds. A rope ladder doesn’t provide that level of stability because it uses flexible rope with rungs, which can sway, stretch, or twist and doesn’t offer the same secure footing or side rails as a proper ladder. In electrical work, that instability isn’t acceptable, so rope ladders aren’t considered a standard ladder type for safe access. The other options—pole ladder with rigid poles and rungs, a straight ladder as a single rigid length, and a step ladder that stands on its own—are all recognized ladder types because they give firm support and stable footing needed for safe climbing.

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