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Self Testing Emergency Lights – Auto Diagnostic LED Units

Self-testing emergency lights are battery-backed egress luminaires that automate the code checks—a brief monthly functional exercise and a full 90-minute annual discharge—so staff don’t perform manual push-tests. These UL 924–listed LED emergency lights continuously supervise AC input, charger, battery health, and lamp output, keeping corridors, stairwells, and open areas illuminated during outages. For matching signage, see self testing exit signs or self testing exit sign & light combos.

Auto-Test Diagnostics LED Adjustable Heads 90-Min Runtime Remote-Capable (select) Cold-Weather Option 120/277 VAC
Buyers Guide Tips

What to Look for in Self-Testing Emergency Lights

  • Egress light at 90 minutes: Aimable heads must still meet target foot-candles after a full discharge; use spacing tables for your ceiling height—door-adjacent units won’t cover long runs.
  • Diagnostics tuned for operations: Monthly function + annual 90-minute tests with quiet-hour deferral and an external manual test; status LED readable from floor level with distinct lamp/battery/charger codes.
  • Battery & environment: Sealed Ni-Cd/Li packs—confirm recharge time, ambient rating, and cold-weather options; if remote-capable, ensure the self-test supervises remote heads too.

Built for stairwells, corridors, warehouses, and open areas, self-testing emergency lights keep egress illumination on track without monthly push-tests. The controller exercises the charger, battery, and lamp heads on schedule and surfaces clear pass/fail codes at floor level for quick walk-throughs.

After installation, confirm head aiming and spacing meet your plan at end-of-discharge (90 minutes). For cold or unconditioned spaces, select models with low-temperature packages; if the unit is remote-capable, verify the self-test also supervises remote heads.

💡 Tip: Validate egress light levels at 90 minutes, not just at full charge—spacing that looks fine at install can fall short at end-of-discharge.
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Self-Testing Emergency Lights - Spec Guide

  • Auto-test & supervision (lights): Controller runs monthly function and a 90-minute discharge, with quiet-hour deferral, external manual test, and a floor-visible status LED reporting AC/charger/battery/lamp faults. If remote-capable, ensure self-test also supervises remote heads.
  • Photometric performance at 90 min: Aim head optics to maintain ~≥1 fc avg / ≥0.1 fc min after full discharge; confirm model spacing for corridors, stairs, and open areas at your mounting height.
  • Battery & environment (lights): Specify Ni-Cd or lithium with documented recharge time and ambient range; add cold-weather packages for unconditioned spaces and choose vandal-resistant housings in public areas.

FAQs About Self-Testing Emergency Lights

What’s the difference between the monthly functional test and the annual 90-minute test on an emergency light?

The monthly test briefly runs the emergency light heads on battery to confirm charger, battery, and lamps respond. The annual test fully discharges for 90 minutes to validate battery capacity and charger recovery.

Will the self-test also check any remote heads wired to the emergency light unit?

On remote-capable emergency lights with supervised circuits, yes—the controller includes the remote heads in the same cycle and flags their faults in the status indicator.

Can I prevent a self-testing emergency light from running during business hours?

Many self-testing emergency lights support quiet-hour deferral or programmable schedules so monthly and annual tests run after hours; there’s also a manual test button for on-demand checks.