The Two and Four Outlet Power Supplies require an input of 115 VAC, 50/60 Hz. Two other variations for 230 VAC are also available.
A 6' power cord and lighted power switch are included. Power Supplies are UL Listed to U.S. and Canadian safety standards, and are CE and RoHS compliant.

The Model 7901 and 7907 Power Supply has a lighted power switch and (2) 5kV outlets.
The Model 7940 and 7941 Power Supply has a lighted power switch and (4) 5kV outlets.