3-way incandescent lamp
Defined in 1 dictionary — U.S. Code
United States Code
42 U.S.C. § 6291 — for purposes of this part (6 versions over time)
The term “3-way incandescent lamp” includes an incandescent lamp that—
(i) employs 2 filaments, operated separately and in combination, to provide 3 light levels; and
(ii) is designated on the lamp packaging and marketing materials as being a 3-way incandescent lamp.