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When performing electrical work, using a ladder with non-conductive rails is crucial for safety. Non-conductive materials, such as fiberglass, help prevent electric shock in case the ladder comes into contact with live electrical circuits or components. When a ladder with conductive materials, such as metal, is used, there is a significant risk of electrocution if electricity travels through the ladder to the user. Opting for non-conductive materials ensures that the ladder does not inadvertently become a pathway for electrical currents, thereby providing a safer working environment.
Other options do not align with safety requirements in the same manner. A height requirement of at least 10 feet may not be relevant depending on the specific task being performed, while using aluminum as a ladder material poses a risk of conducting electricity. Painting the ladder bright colors could enhance visibility but does not directly contribute to electrical safety during work. Thus, using a ladder with non-conductive rails is the most appropriate measure for ensuring safety while working with electrical systems.