rough service 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 “rough service lamp” means a lamp that—

(i) has a minimum of 5 supports with filament configurations that are C–7A, C–11, C–17, and C–22 as listed in Figure 6–12 of the 9th edition of the IESNA Lighting handbook, or similar configurations where lead wires are not counted as supports; and

(ii) is designated and marketed specifically for “rough service” applications, with—

(I) the designation appearing on the lamp packaging; and

(II) marketing materials that identify the lamp as being for rough service.