Selection and layout
Emergency Lights
Start here for testing, batteries, wiring, high-output units, and indoor or wet-rated emergency lights.
Plan, size, and wire emergency lighting; add remote heads; choose high‑lumen units; meet UL 924 / NFPA 101; and maintain indoor, damp, and wet‑location systems.
Browse guides
20 guidesPower, Batteries & Electronics
- Emergency Light Voltage Drop
- Emergency Light Voltages – When to Use 3.6V, 6V or 12V Systems
- Emergency Light Battery Runtime Calculator (Watts to Wh/Ah)
- Emergency Light Circuit Boards
- Emergency Light Transformer Replacement & Testing Guide
- Time Delay Emergency Lights (After Power Restores)
- Battery Backup Emergency Lighting Guide (90-Min UL 924)
- Power Failure Emergency Lights: How They Work & What to Buy
Testing & Compliance
Installation & Layout
- Emergency Light Installation & Mounting Options
- Concealed Emergency Lights Guide (Serviceability Score Tool)
- Recessed vs. Standard Emergency Lights — Interactive Tool to Choose the Right Option
- Emergency Lights vs Wall Packs: Egress vs Exterior Lighting
