CFR > Title 10 - Energy > CHAPTER II—DEPARTMENT OF ENERGY > SUBCHAPTER D—ENERGY CONSERVATION (parts 400 to 491) > PART 431—ENERGY EFFICIENCY PROGRAM FOR CERTAIN COMMERCIAL AND INDUSTRIAL EQUIPMENT > SUBPART L—Illuminated Exit Signs (§431.201 to §431.206) > 431.202—Definitions concerning illuminated exit signs.

431.202—Definitions concerning illuminated exit signs.

Basic model means, with respect to illuminated exit signs, all units of a given type of illuminated exit sign (or class thereof) manufactured by one manufacturer and which have the same primary energy source, which have electrical characteristics that are essentially identical, and which do not have any differing electrical, physical, or functional characteristics that affect energy consumption.
Face means an illuminated side of an illuminated exit sign.
Illuminated exit sign means a sign that—
(1) Is designed to be permanently fixed in place to identify an exit; and
(2) Consists of an electrically powered integral light source that—
(i) Illuminates the legend “EXIT” and any directional indicators; and
(ii) Provides contrast between the legend, any directional indicators, and the background.
Input power demand means the amount of power required to continuously illuminate an exit sign model, measured in watts (W). For exit sign models with rechargeable batteries, input power demand shall be measured with batteries at full charge.

Code of Federal Regulations

[70 FR 60417, Oct. 18, 2005, as amended at 71 FR 71372, Dec. 8, 2006]