What should you be extra careful about when deliming steamer boilers with electric elements?

When deliming steamer boilers equipped with electric elements, it is crucial to be extra careful that the deliming solution does not come into contact with electrical connections. The reason for this is that the presence of a liquid solution around electrical components poses a significant risk of short-circuiting or damage to the electrical system, which could lead to equipment failure, safety hazards, or even electrical fires.

Electric elements are sensitive and can be damaged by corrosive or caustic materials, which deliming solutions often contain. Ensuring that the solution is contained and does not leak onto these connections helps to maintain the integrity and safety of the entire system while effectively removing scale and mineral buildup from the boiler.

The other considerations mentioned in the other choices may not address the immediate safety or operational concerns related to the electrical components, emphasizing the primary focus on prevention of liquid contact with electrical areas during the deliming process.