General/Shared FAQ's (ChekVolt, Voltage Test Stations, Combo Units)
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      3. General/Shared FAQ's (ChekVolt, Voltage Test Stations, Combo Units)

      Q: Can I use a PESD on the motor side of a Variable Frequency Drive (VFD)?

       A: Our PESDs are UL rated for 50-60 Hz and 400 Hz, but they will not be UL rated on the output of the VFD as they can have frequencies in the KHz. If UL is not needed, our PESDs have been tested internally at up to 10 KHz levels with no issues.