The tubular design of these anodes also allows for numerous performance benefits. The tubular configuration provides a larger surface area which in turn permits greater current output and lower anode-to-earth resistance. The tubular style also means lead wire connections can be made in the center of the anode.
With Corrpro tubular anodes, this connection consists of a brass wedge connector which grips firmly to the internal circumference of the anode. This connection is protected from moisture intrusion by a waterproofing sealant which fills the entire anode tube. One end of the anode is then covered with shrink tubing for a completely sealed electrical connection. Anodes are then tested for quality assurance.