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AS/NZS 2293.1:2018


Emergency lighting and exit signs for buildings, Part 1: System design, installation and operation

Included in Electrical installation set
AS NZS 2293.1 2018 specifies requirements for the design and installation of emergency lighting and illuminated emergency exit signage systems for buildings. Central battery, single point and self-contained systems are included. Also known as AS2293 emergency lighting standards.
Published: 29/06/2018
Pages: 64
Table of contents
Cited references
Content history
Table of contents
About this publication
1 Scope and general
1.1 Scope
1.2 Objective
1.3 Application
1.4 Normative references
1.5 Definitions
1.6 Alterations and additions
2 General requirements, system design, operation, arrangement, control and labelling
2.1 Scope of section
2.2 Duration of operation
2.2.1 Initial
2.2.2 In-service
2.3 Operation, arrangement and control
2.3.1 General
2.3.2 Normal lighting requiring cool-down
2.3.3 ​Monitoring of supply failure
2.3.4 Installation and arrangement of a remote self-contained emergency luminaire or exit sign
2.4 Labelling of devices controlling the operation of emergency lighting
2.5 Labelling of emergency luminaires and exit signs
2.6 Identification and marking of emergency luminaires or exit signs
3 General requirements, provision of charging indication and discharge test facilities
3.1 Scope of section
3.2 Single point systems
3.2.1 Test switch
3.2.2 Visual indicator
3.3 Required discharge test facilities
3.3.1 General
3.3.2 Manually operated testing facilities
3.3.3 Automatically operated testing facilities System requirements Fully self-contained facilities Centralized testing facilities
4 Installation requirements for emergency luminaires
4.1 Scope of section
4.2 General
4.2.1 Avoidance of obstruction of light
4.2.2 Avoidance of glare
4.2.3 Protection against unauthorized removal of lamps
4.3 Provision of emergency luminaires
4.4 Acceptable emergency luminaires
4.5 Specific locations requiring emergency luminaires
4.6 Installations employing direct lighting
4.6.1 Spacing of emergency luminaires General Spacing rules Illuminance calculations
4.7 Installations employing indirect lighting
4.8 Lighting of stairways
4.8.1 General
4.8.2 Direct lighting (spacing rules)
4.8.3 Direct lighting (illuminance calculations)
4.8.4 Indirect lighting (illuminance calculations)
5 Installation requirements for exit signs
5.1 Scope
5.2 Required locations
5.3 Use of externally illuminated signs
5.4 Sign colours
5.4.1 Areas of normal illumination
5.4.2 Areas of low illumination
5.5 Choice of images
5.6 Size of pictorial element
5.7 Illumination
5.7.1 Internally illuminated signs
5.7.2 Externally illuminated signs
5.8 Physical conditions of installation
5.8.1 Mounting height
5.8.2 Maximum viewing distances
6 Centrally supplied systems—Emergency power supplies
6.1 Scope of section
6.2 Emergency power source
6.2.1 Location
6.2.2 Fire resistance
6.2.3 Identification and access
6.2.4 Ventilation Limitation of temperatures Maintenance of fire resistance
6.2.5 Use of uninterruptible power supply (UPS) systems
6.2.6 Protection of emergency power wiring
6.3 Batteries and their installation
6.3.1 Acceptable types of batteries
6.3.2 Battery capacity
6.3.3 Installation requirements General Battery enclosure/stand Unearthed supply system Battery connections Rating plate
6.4 Battery charger assembly
6.4.1 General
6.4.2 Control of output voltage
6.4.3 Rating of battery charger
6.4.4 Enclosure of battery charger
6.4.5 Battery low voltage alarms
6.4.6 Means for disconnecting the emergency lighting or exit signage load
6.4.7 Instrumentation and controls
6.4.8 Rating plate
6.5 Inverters
6.5.1 Reversible inverters
6.5.2 Separate inverter
6.5.3 Inverter rating
6.5.4 Instrumentation and controls
6.5.5 Inverter enclosure
6.6 Alarm systems
7 Installation of electrical wiring and equipment for centrally supplied systems
7.1 Scope of section
7.2 Circuit voltage drop
7.3 Protection against overcurrent
7.4 Protection of the electrical installation against fire
7.4.1 Forms of protection
7.4.2 Protective measures for buildings required to be constructed of fire resisting elements
7.4.3 Protective measures for buildings not required to be constructed of fire resisting elements
7.4.4 Exemptions from protection against exposure to fire
7.4.5 Protection of distribution boards and link boxes
7.4.6 Installation of wiring systems
7.5 Segregation or identification of submains
7.6 Arrangement of final subcircuits
Appendix A
Appendix B
B.1 Scope
B.2 Connection
B.3 Installation
Appendix C
Appendix D
D.1 Scope
D.2 Types of exit sign
D.3 Appearance of exit sign face
D.3.1 Basic pictorial elements and shape
D.3.2 Location of elements
D.3.3 Additional background
D.3.4 Borders
D.3.5 Colours
D.3.5.1 General
D.3.5.2 Internally illuminated exit signs
D.3.5.3 Low illuminance area exit signs
D.3.5.4 Externally illuminated exit sign
D.3.6 Size of pictorial elements
D.3.6.1 Minimum size
D.3.6.2 Maximum size
D.3.6.3 Recommended sizes
Appendix E
Appendix F
Appendix G
G.1 Scope
G.2 Operating and maintenance manual
G.2.1 Provision of a manual
G.2.2 Information relating to central systems
G.2.3 Information relating to single point systems
G.2.4 Additional information relating to automatic discharge testing systems
G.2.5 Additional information relating to indirect lighting systems
G.3 Provision for the recording of maintenance
Cited references in this standard
Low-voltage fuses — Part 1: General requirements
Semiconductor converters — General requirements and line commutated converters — Part 1-1: Specification of basic requirements
Direct acting indicating analogue electrical measuring instruments and their accessories — Part 9: Recommended test methods
Direct acting indicating analogue electrical measuring instruments and their accessories — Part 2: Special requirements for ammeters and voltmeters
Direct acting indicating analogue electrical measuring instruments and their accessories — Part 1: Definitions and general requirements common to all parts
Content history
DR AS/NZS 2293.1:2018
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