What is the purpose of cathodic systems in utilities maintenance?

Cathodic systems are primarily designed to prevent rust and corrosion, particularly in metal structures that come into contact with conductive environments, such as underground pipelines or storage tanks. The cathodic protection method involves using a sacrificial anode or impressed current to counteract the electrochemical processes that lead to corrosion. By doing so, the system effectively protects the metal from deteriorating, which is critical for maintaining the integrity and longevity of utility infrastructure.

This protection is essential in utilities maintenance, as corrosion can lead to leaks, service interruptions, and costly repairs. The other options, while relevant to various aspects of utilities, do not align with the specific purpose of cathodic systems. For instance, increasing water temperature, filtering out impurities, and regulating water pressure address different operational concerns in utilities but do not pertain to the fundamental role of cathodic protection in corrosion prevention.