In AC circuits at the meter we have line and neutral going into the meter and then all devices are connected to it. For each and every device, we require a line and a neutral connection. If I want to measure current in a particular device so can I measure it in the following ways:
Introducing a current transformer in the line before the current is entering the device?
To measure current at the neutral end, i.e after load.
Is my last point correct or not?