NEIEP Mechanics Practice Exam

Why can't Elevator Constructors use a metal ladder?

1. Metal ladders are too heavy

2. Metal ladders are not stable

3. Metal ladders conduct electricity

4. Metal ladders are not allowed on job sites

The correct answer is: Metal ladders conduct electricity

The reason elevator constructors cannot use metal ladders primarily relates to safety concerns around electrical hazards. Metal is a conductor of electricity, which means that if a worker is using a metal ladder near electrical components or in an environment where there may be exposed wires or electrical systems, there is a significant risk of electrocution. Elevator construction often involves work on machinery and systems where electricity is a critical factor, making non-conductive tools and equipment necessary to ensure the safety of workers. By using non-conductive materials like fiberglass or wood for ladders, workers can mitigate the risk of electrical shock, thus protecting themselves while performing their tasks. Other considerations, such as the weight or stability of the ladder, do not present the same immediate life-threatening risks as electrical conductivity does, which solidifies the reasoning for this safety regulation in the context of elevator construction work.