13. Fixture Selection Architectural & portable lighting ARCHITECTURAL Lighting is fixed (recessed or concealed) into the structure of the building PORTABLE LIGHTING includes movable lighting devices that are plugged into outlets
14. Fixture Selection Types of light produced CONCENTRATING or beaming, usually from a point source in one/many directions DIFFUSING that scatters light in many directions
15. Fixture Selection Types of light produced The way fixtures direct their light output can be evaluated by LIGHT DISTRIBUTION (PHONOMETRICS) CHART. (fig) Light fixtures designed as ‘bright spots’ create excessive brightness contrast that causes vision problems should be avoided.
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20. FIXTURE LOCATION & SPACING Types of fixtures Calculating number & location - with architectural lighting use specific calculations to provide illumination level of selected fixtures. switches Dimmers Photo sensors