zappi & eddi come with one wired CT clamp as standard. The 22kW 3-phases zappi come with 3 CTs as standard. If you would like to see real-time generation from your solar/wind system displayed on the LCD display of your product. You’ll need an additional CT. (additional option) In some cases, extra CT clamps are required i.e for 3 phase installs. The CT comes with a 5m cable. If a longer cable is required it can be extended using CAT5 Ethernet cable or why not consider using the myenergi harvi to connect the CT over wireless · · · Used to send data to Zappi and Eddi · · Can be used to monitor solar · · Enables monitoring of battery storage · · 5m cable supplied · · Wi-Fi enabled 2.4Ghz Wi-Fi connectivity · · 5m cable supplied