Technology and Product Criteria
All linear fluorescent lamps must be SuperT8 or T5, low
mercury lamps with efficacies above 90 Lumens/W. The
Any lighting that comprises at least 5% of the total
maximum lumen depreciation must be 5%. Lamp color
building connected load must comply with the following
temperature must be either 3500K or 4100K and be
luminaire, ballast and lamp requirements.
consistent throughout the building. Lamps must have a
color rendering index (CRI) greater than or equal to 80.
Incandescent lighting must be used only sparingly.
Minimum rated lamp life must be 20,000 hours.
Luminaires. All luminaires must be appropriately selected
All compact fluorescent lamps (CFL) must have minimum
based upon the expected application.
efficacies of 60 lumens/W, maximum lumen depreciation
Luminaires shall be recessed, pendant, or surface mounted.
of 15%. Minimum rated lamp life must be 10,000 hours.
Indirect/direct fixtures shall have a minimum 2% indirect
Lamp color and CRI must be consistent with the linear
component and 50% direct (maximum) component.
fluorescent lamps. No CFLs below 13W shall be used;
Fixtures must have a minimum efficiency of 65%.
these lamps typically have lower efficacy, poor PF, and
no electronic ballast options. In addition, lamps with
Where parabolic fixtures are used, louvers shall be
integrated ballasts or screw bases shall not be used.
semi-specular or diffuse finishes; specular finishes shall
not be used.
All ceramic metal halide lamps used in finished spaces
shall have a CRI greater than 75.
All recessed downlights must use compact fluorescent or
ceramic metal halide lamps as follows. No incandescent
In retrofit scenarios, all fluorescent lighting lamps and
technology shall be used:
ballasts must be disposed of through specialized disposal
firms that destroy the PCBs and recover the mercury that
Where a general broad distribution is required, downlights
is contained in the lamps.
shall use CFLs with a minimum fixture efficiency of 50%.
No black baffles are allowed.
Where a narrow distribution or specific cutoff is required,
shall be electronic with a minimum power factor (PF) of
downlights shall use ceramic metal halide PAR lamps with
0.95 and a maximum total harmonic distortion (THD)
a minimum fixture efficiency of 50%.
of 15%. When applicable, programmed start ballasts shall
Many fixtures have different lamp and ballast options. For
be specified for use in linear fixtures that are frequently
ease of maintenance, all similar building luminaires shall
switched on/off, such as with occupancy controls.
use the same lamps and ballasts.
Ballasts shall have a sound rating of "A" for 430 MA
lamps, "B" for 800 MA lamps and "C" for 1500 MA lamps.
Lamps. Effort shall be made to minimize the number of
Electronic ballasts shall be used. Special consideration
lamp types within a facility to simplify lamp maintenance.
shall be given to the ballast types where an electronic
clock system is also specified to confirm compatibility of
application.
191
ELECTRICAL
ENGINEERING
6.8
Interior Lighting, Daylighting, and Control Systems
Revised March 2005 PBS-P100
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