Class A external power supply

that is a federally regulated 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 and that:

(1) is designed to convert line voltage AC input into lower voltage AC or DC output;

(2) is able to convert to only one AC or DC output voltage at a time;

(3) is sold with, or intended to be used with, a separate end‐use product that constitutes the primary load;

(4) is contained in a separate physical enclosure from the end‐use product;

(5) is connected to the end‐use product via a removable or hard‐wired male/female electrical connection, cable, cord, or wiring; and

(6) has nameplate output power that is less than or equal to 250 watts.

The term “‘Class A external power supply” does not include a device that:

(A) requires Federal Food and Drug Administration listing and approval as a medical device in accordance with section 513 of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 360c); or

(B) powers the charger of a detachable battery pack or charges the battery of a product that is fully or primarily motor operated.