no-load mode
(36) External power supply.— (A) External power supply.— (i) In general .— The term “external power supply” means an external power supply circuit that is used to convert household electric current into DC current or lower-voltage AC current to operate a consumer product. (ii) Exclusion .— The term “external power supply” does not include a power supply circuit, driver, or device that is designed exclusively to be connected to, and power— (I) light-emitting diodes providing illumination; (II) organic light-emitting diodes providing illumination; or (III) ceiling fans using direct current motors. (B) Active mode .— The term “active mode” means the mode of operation when an external power supply is connected to the main electricity supply and the output is connected to a load. (C) Class a external power supply.— (i) In general .— The term “class A external power supply” means a device that— (I) is designed to convert line voltage AC input into lower voltage AC or DC output; (II) is able to convert to only 1 AC or DC output voltage at a time; (III) is sold with, or intended to be used with, a separate end-use product that constitutes the primary load; (IV) is contained in a separate physical enclosure from the end-use product; (V) is connected to the end-use product via a removable or hard-wired male/female electrical connection, cable, cord, or other wiring; and (VI) has nameplate output power that is less than or equal to 250 watts. (ii) Exclusions .— The term “class A external power supply” does not include any device that— (I) requires Federal Food and Drug Administration listing and approval as a medical device in accordance with section 360c of title 21 ; or (II) powers the charger of a detachable battery pack or charges the battery of a product that is fully or primarily motor operated. (D) No-load mode .— The term “no-load mode” means the mode of operation when an external power supply is connected to the main electricity supply and the output is not connected to a load.