Replacement ballast

means a ballast that:

(1) is designed for use to replace an existing ballast in a previously installed luminaire;

(2) is marked “FOR REPLACEMENT USE ONLY”;

(3) is shipped by the manufacturer in packages containing not more than 10 ballasts; and

(4) has output leads that when fully extended are a total length that is less than the length of the lamp with which they are intended to be operated.