New York State Master Electrician Practice Exam

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When are protective barriers or fixed ladders required for manhole openings?

When located above any equipment
When not practicable to locate elsewhere
When manholes are larger than standard size
When used in high-traffic areas

The correct answer is: When not practicable to locate elsewhere

Protective barriers or fixed ladders are required for manhole openings primarily when it is not practicable to locate the manhole elsewhere. This is because the main concern is ensuring safety in situations where manhole access cannot be moved to a less hazardous location. When a manhole must remain in its designated spot due to existing infrastructure or operational needs, implementing protective measures is essential to prevent accidents and injuries. While there are scenarios where other conditions, such as the size of the manhole or its location in a high-traffic area, might integrate into the safety considerations, these factors are not the primary trigger for the requirement. Instead, the focus is on the practical difficulty of relocating the manhole, thereby necessitating the design and installation of effective barriers or access solutions to ensure safety in that specific context.