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UL 924

Standard for Emergency Lighting and Power Equipment

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Organization: UL
Publication Date: 5 May 2020
Status: active
scope:

009240-000000-000000

1 Scope

1.1 This Standard applies to emergency lighting and power equipment for use in unclassified locations and intended for connection to branch circuits of 600 volts or less. Such equipment is intended to automatically supply illumination or power or both to critical areas and equipment in the event of failure of the normal supply, in accordance with Article 700 or 701 of the National Electrical Code, NFPA 70, the Life Safety Code, NFPA 101, the Fire Code, NFPA 1, the International Building Code, IBC, and the International Fire Code, IFC.

1.2 Examples of equipment described in 1 include:

  1. Exit Signs
  2. Emergency Luminaires
  3. Unit Equipment
  4. Central Station Battery Banks
  5. Inverters
  6. Automatic Battery Charging and Control Equipment
  7. Emergency Lighting Control Devices (e.g., Automatic Load Control Relays, Derangement Signals)

1.3 This Standard also applies to auxiliary lighting and power equipment for use in unclassified locations. Auxiliary equipment has not been investigated to determine compliance with the performance requirements of Article 700 or 701 of the National Electrical Code, NFPA 70, the Life Safety Code, NFPA 101, or the International Building Code. Such equipment includes luminaires with an integral battery backup power supply, illuminated directional signs, battery assemblies, and related devices.

1.4 This Standard does not include requirements for equipment covered by other Standards, such as:

  1. Luminaires, UL 1598
  2. Uninterruptible Power Systems, UL 1778
  3. Luminous Egress Path Marking Systems, UL 1994
  4. Transfer Switch Equipment, UL 1008
  5. Electric Signs, UL 48

Document History

May 5, 2020
Standard for Emergency Lighting and Power Equipment
1 Scope 1.1 This Standard applies to emergency lighting and power equipment for use in unclassified locations and intended for connection to branch circuits of 600 volts or less. Such equipment is...
UL 924
May 5, 2020
Standard for Emergency Lighting and Power Equipment
1 Scope 1.1 This Standard applies to emergency lighting and power equipment for use in unclassified locations and intended for connection to branch circuits of 600 volts or less. Such equipment is...
May 1, 2018
Standard for Emergency Lighting and Power Equipment
1 Scope 1.1 This Standard applies to emergency lighting and power equipment for use in unclassified locations and intended for connection to branch circuits of 600 volts or less. Such equipment is...
May 1, 2018
Standard for Emergency Lighting and Power Equipment
1 Scope 1.1 This Standard applies to emergency lighting and power equipment for use in unclassified locations and intended for connection to branch circuits of 600 volts or less. Such equipment is...
November 8, 2017
Standard for Emergency Lighting and Power Equipment
1 Scope 1.1 This Standard applies to emergency lighting and power equipment for use in unclassified locations and intended for connection to branch circuits of 600 volts or less. Such equipment is...
November 8, 2017
Standard for Emergency Lighting and Power Equipment
1 Scope 1.1 This Standard applies to emergency lighting and power equipment for use in unclassified locations and intended for connection to branch circuits of 600 volts or less. Such equipment is...
March 8, 2017
Standard for Emergency Lighting and Power Equipment
1 Scope 1.1 This Standard applies to emergency lighting and power equipment for use in unclassified locations and intended for connection to branch circuits of 600 volts or less. Such equipment is...
March 8, 2017
Standard for Emergency Lighting and Power Equipment
1 Scope 1.1 This Standard applies to emergency lighting and power equipment for use in unclassified locations and intended for connection to branch circuits of 600 volts or less. Such equipment is...
May 9, 2016
Standard for Emergency Lighting and Power Equipment
1 Scope 1.1 This Standard applies to emergency lighting and power equipment for use in unclassified locations and intended for connection to branch circuits of 600 volts or less. Such equipment is...
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