Which of the following is considered an accessory for electric powered equipment?

The correct answer identifies foot switches as accessories for electric powered equipment. Foot switches are specifically designed to allow the operator to control the operation of the equipment hands-free, enhancing safety and convenience during various procedures. Their role as a control mechanism directly supports the function of electric powered devices, making them an essential accessory in many settings.

While pressure regulators and decontamination hoses are also important in the context of electric powered equipment, they serve different purposes. Pressure regulators are primarily involved in controlling gas or fluid pressure and are not specific to the operation of the equipment itself. Similarly, decontamination hoses are crucial for cleaning and disinfection processes but do not fit the category of accessories that are focused on operational control. Accessories refer to components that enhance the usability or functionality of the primary equipment, and in this case, the foot switch meets that criterion effectively.