Lighting Luxe
Physical Photometer
Physical Receptor
Pigtail
Phosphor Mercury Lamp
Personal Tuning
Perfect Diffusion
Percent Flicker
Parabolic Spotlight
PAR Lamp
Reflector Lamp
Reflector Lamp (R-Lamp)
Reduced-Wattage Lamp
Recessed Luminaire
Rare-Earth Phosphors
Radio Frequency Interference (RFI)
Pull-Cord
Power Reduction Factor
Point Source
Photosensor
Phosphors
Passive Infrared Motion Detector
Parabolic Reflector
Overarching Floor Lamp
Openwork Lantern