The cathodic protection systems is more than just an anode here and there bolted to an outboard or sterndrive. Learn from veteran technician and ABYC technical instructor Rob Berenwick how the system works, how to perform some basic testing and things to look out for to protect your customer's investment. You'll learn how the anodes actually protect the materials they are intended to, how an impressed current system varies its protection based on environmental factors and more.