Interior Lighting for Designers

and tenant billing. Processors range in com- plexity from a microchip in a controller to a large computer. Three kinds of proces ...

needed. Two basic control strategies are available: (1) control in space by electrically positioning (switching) the lightwherei ...

Luminaires Almost all lamps require a method to curtail glare; in addition, many need a method to modify distribution. Aluminair ...

INTERIOR LIGHTING FOR DESIGNERS Figure 12.1Recessed incandescent downlight with junction box. ...

LUMINAIRES Figure 12.2Semi-recessed incandescent downlight with junction box. ...

INTERIOR LIGHTING FOR DESIGNERS Figure 12.3Surface-mounted incandescent downlight with recessed junction box. ...

LUMINAIRES Figure 12.4Surface-mounted incandescent downlight with surface-mounted junction box. ...

Because the housing of a surface-mounted luminaire is visible, it becomes a design ele- ment in the space. Pendant-mountedhousin ...

LUMINAIRES Figure 12.5Pendant-mounted incandescent downlight with recessed junction box covered by a canopy. ...

INTERIOR LIGHTING FOR DESIGNERS Figure 12.6Side-mounted, A-lamp, shallow-depth downlight. ...

LUMINAIRES Figure 12.7Incandescent, parabolic, open-reflector downlight with 5-in aperture. ...

reflector is larger than the parabolic contour; they are used infrequently today (figure 12.11). Shallow-contour, silver-bowl, o ...

function. Luminaires for these sources require only a brightness-controlling ele- ment; the most efficient is the open para- bol ...

INTERIOR LIGHTING FOR DESIGNERS Figure 12.10Low-wattage, metal halide, parabolic, open-reflector downlight with 7-in aperture. ...

LUMINAIRES Figure 12.11Incandescent, ellipsoidal, open-reflector downlight with 4½-in aperture. ...

INTERIOR LIGHTING FOR DESIGNERS Figure 12.12Incandescent, shallow-contour, silver-bowl, open-reflector downlight with 7¼-in aper ...

LUMINAIRES Figure 12.13Parabolic, open-reflector PAR downlight with 7-in aperture. ...

and uses a source that costs approximately one-fifth as much (figure 12.15). When a more concentrated beam is desired, PAR lamps ...

Figure 12.15Parabolic, open-reflector R40 downlight with 10-in aperture. ...

ment coil or lamp phosphors. Although this slight diffusion of the reflector surface yields a reflector of greater luminance tha ...