---
title: Emergency and Egress Lighting
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signage with 90-minute duration to NFPA 101, IBC Chapter 10, and NEC Article 700.
Not intended for: The normal architectural lighting design (see
− [[syncs/lighting-fixtures]]), normal lighting controls (see
− [[syncs/lighting-controls]]), the on-site generator and its transfer scheme as
− a system (see [[syncs/generators]] and [[syncs/emergency-and-standby-power]]),
− or fire alarm notification appliances (see [[syncs/fire-alarm-systems]]).
+ [[sync/lighting-fixtures]]), normal lighting controls (see
+ [[sync/lighting-controls]]), the on-site generator and its transfer scheme as
+ a system (see [[sync/generators]] and [[sync/emergency-and-standby-power]]),
+ or fire alarm notification appliances (see [[sync/fire-alarm-systems]]).
---
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## Related Work {toc}
−### The normal architectural lighting layout, fixture types, and finishes are specified in [[syncs/lighting-fixtures]]; this standard governs only the emergency function added to or independent of those fixtures. {note}
+### The normal architectural lighting layout, fixture types, and finishes are specified in [[sync/lighting-fixtures]]; this standard governs only the emergency function added to or independent of those fixtures. {note}
−### Normal and automatic lighting controls, including occupancy sensing and daylight dimming, are specified in [[syncs/lighting-controls]]; emergency lighting shall override controls to full output on loss of normal power. {note}
+### Normal and automatic lighting controls, including occupancy sensing and daylight dimming, are specified in [[sync/lighting-controls]]; emergency lighting shall override controls to full output on loss of normal power. {note}
−### The on-site generator, its fuel system, and its transfer scheme as an emergency power source are specified in [[syncs/generators]] and [[syncs/emergency-and-standby-power]]; this standard governs only the lighting load and the bridging equipment at the luminaire. {note}
+### The on-site generator, its fuel system, and its transfer scheme as an emergency power source are specified in [[sync/generators]] and [[sync/emergency-and-standby-power]]; this standard governs only the lighting load and the bridging equipment at the luminaire. {note}
−### Fire alarm notification appliances and the fire alarm control panel are specified in [[syncs/fire-alarm-systems]]; this standard governs only the supervised interface between emergency lighting and that panel. {note}
+### Fire alarm notification appliances and the fire alarm control panel are specified in [[sync/fire-alarm-systems]]; this standard governs only the supervised interface between emergency lighting and that panel. {note}
# Referenced Standards {toc}
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## Battery-equipped luminaires or exit signs shall be provided at exit signs, stairs, and other critical egress points to bridge the transfer interval, and shall be specified wherever the generator start time may exceed 10 seconds, such as in cold climates without an engine pre-heat system.
−## The generator set, fuel storage, and testing intervals are governed by NFPA 110-2022 and are specified in [[syncs/generators]]; the transfer time, bridging-battery requirement, and testing provisions shall be coordinated with that specification. {note}
+## The generator set, fuel storage, and testing intervals are governed by NFPA 110-2022 and are specified in [[sync/generators]]; the transfer time, bridging-battery requirement, and testing provisions shall be coordinated with that specification. {note}
```datasheet
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default: 2
```