spatial daylight autonomy (sDA)
[10.5.9.9.1] An annual daylighting metric that quantifies the fraction of the area within a space for which the daylight autonomy exceeds a specified value. NOTE: This definition was modified in […]
reflected direct luminaire
[10.3.16] A class of luminaires that make use of light reflecting off the interior surface of a recessed housing from concealed or obscured sources. Typically, these luminaires, which are similar […]
track lighting
[10.3.15] A lighting equipment system consisting of an electrified power channel (track) and removable luminaires (lamp holders, track heads) that can be mechanically attached anywhere along the power channel. The […]
annual sunlight exposure (ASE)
[10.5.16] In daylighting: The fraction or percentage of the horizontal work plane that exceeds a specified direct sunlight illuminance level more than a specified number of hours per year over […]
fixture
[10.3.14] [See luminaire (light fixture).]
enclosed and gasketed luminaire
10.3.11.5] (See vapor-tight luminaire.)
pendant luminaire
[10.4.5] [See suspended (pendant).]
butterfly
[10.6.2.157] [See overhead (or butterfly).]
egress
[10.1.15.14] (See means of egress.)
wall pocket
[10.6.2.155] An electrical outlet or group of outlets mounted on or recessed into the wall, usually beneath a hinged cover that is notched so that cables plugged into these outlets […]
