What is necessary at a scene with multiple outlets for safe operation?

In any situation involving electrical equipment, particularly at a scene where multiple outlets are present, having a Ground Fault Circuit Interrupter (GFCI) is essential for safety. A GFCI device is designed to protect people from electrical shock by shutting off the electrical circuit if it detects an imbalance between the incoming and outgoing current. This is especially crucial in environments where water is present or in wet conditions, as moisture can increase the risk of electrical faults and shocks.

Utilizing GFCIs ensures that if a person accidentally comes into contact with a live wire or water while handling electrical equipment, the GFCI will trip, dramatically reducing the risk of serious injury or fatality. Thus, the presence of a GFCI is a necessary safety measure in scenarios involving multiple electrical outlets, ensuring safe operation for all personnel on the scene.

Other options, such as a fire blanket, hydrant wrench, or emergency lighting, do serve important roles in fire safety and emergency situations, but they do not directly address electrical safety issues related to multiple outlets like a GFCI does.