Mine's plugged into 110. Someone could probably copy cw from the flickering lights in my shack. 73, Dennis NJ6G On 12/12/2018 16:13, Tom Berry wrote: > Is there any advantage to use 220 V over 110 V on the KPA500? > > Is it worth having an electrician come to the house and install a 220 > V outlet for it? > > > Thanks > > Tom AA4VV