The installation of the coil was very simple. I had to remove 4 of the stainless steel screws from the EHU and used the supplied (longer) screws along with the plastic spacers. The coaxial line is connected to the coil, the output of the coil goes to the EHU. The radial system was disconnected from the EHU and connected to the ground lug of coil housing. My control cable was prepared beforehand so the only thing I needed to do is to form a small choke using a mix 43 toroid and connect it to the coil. I had also to move the location of the small plastic stake supporting the main common-mode current choke and heavy coaxial cable.