The 1.2x50-2.5 is designed to test the clearances in floating secondary circuits as described in Para. 2.9.1. The waveform generated is in accordance with the instructions in Annex N, Table N.1, line 2. In accordance with these requirements, the 1.2x50-2.5 can generate the required waveform with up to 2,500 volts peak A front panel switch reverses output polarity. Use with a general purpose oscilloscope for waveform capture.