The purpose of an inverter on an apparatus is to transform:

The purpose of an inverter on fire apparatus is indeed to transform DC (Direct Current) into AC (Alternating Current). This is crucial because many of the tools and equipment used in a fire apparatus, such as power tools and some types of lighting, typically operate on AC power. Fire apparatus often includes batteries that provide DC power, so an inverter is necessary to convert this energy into a form that can be utilized effectively for various electrical devices that require AC power.

This transformation allows firefighters to operate essential equipment directly from the vehicle's electrical system, enhancing operational efficiency and ensuring that all necessary tools are readily available during emergency situations. Understanding the function of the inverter is vital for driver operators, as it directly affects the capability of the apparatus in the field.