Installed a Siemens 240 Volt 40 Amp Rated Electrical Vehicle Charging Station. Used 3/4″ EMT with rain-tight compression fittings. Pulled in 8 AWG THWN Copper wire terminated on a Eaton 2 pole 40 Amp circuit breaker. Max set points for Charger at 30 Amps. It has a nice green led illumination when power on. In addition, can also be used with a 240 volt, 20 amp circuit by changing set points.