no-load

qualifies an operation of a device or an electric circuit when it does not supply power, or by extension qualifies a quantity associated with this device or circuit NOTE 1 - If the output power is electric, apparent power is meant. NOTE 2 - A device at no-load operation does not need to be isolated....
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=151-15-21
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