- SAD
- Safety & Security
- Safety & Security - Commercial
- Safety & Security - Residential
- Saving Money on Lighting
- Schedule Lights
- Seasonal Affective Disorder
- Selecting Efficient Fixtures
- Sensor Application Considerations
- Service & Support Areas
- Shipping/Receiving Areas
- Shock & Vibration
- Shoebox Fixtures
- Short Lamp Life
- Short Life
- Showcase & Lumiline Lamps
- Sidelighting
- Sign & Decorative Lamps
- Signal Lamps
- Silicone Coated Lamps
- Simple Payback Analysis Method
- Slimline & Instant Start Lamps
- Slimline Lamps
- Slotted Aperture
- Software Programs For Indoor Lighting Design
- Software Programs for Outdoor Lighting Design
- Special Blue
- Special Filament Forms
- Special HID Lamp Types
- Special Household Lamps
- Specialty Lighting
- Sports Lighting
- Sports Lighting Lamp Sources
- Spot & Narrow Spot Lamps
- Standard Lamps 1-4 Feet In Length
- Standard Magnetic Ballasts
- Starters
- State Requirements: Non-Leaking PCB-Containing Ballast Disposal
- Street Lighting Lamps
- Stroboscopic Effect
- Study Areas/Home Offices
- Supply Voltage Dips
- Surgical Suites
- Swirling
- Switches