Standards
Why Emergency Lighting
● In case of event which make a power cut, Emergency Lighting must
provide enough light in order to:
Guarantee clear marking
of emergency exits
Facilitate the safe
evacuation of people
Help to localise fire alarm
and first aid devices
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Guarantee a minimum
light level to avoid panic
by occupants and enable
activities to continue
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Synthesis of EN standard
● Market hold by EN regulation and possible local deviation:
● Chance to pull up market (technology / price) connected to safety market
● Schneider Electric is fully aligned with this approach.
> EN 1838
> EN 60598-2-22
> EN 50172
For the E.Lighting
For the E.Lighting
For the E.Lighting
applications rules
product design
maintenance and
test procedures
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EN Standard
EN 1838: Application rules
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EN1838: Application rules
EN1838
Emergency
lighting
Safety lighting for
escape routes
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Anti-Panic area
High risk area
Lighting
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EN1838: Application rules
Types of applications
●
3 sub-categories for Safety Lighting:
Escape
routes
> Facilitate
the evacuation
of buildings
> To help the
emergency
services
Anti-panic
> To keep
people quiet
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High risk
area
> To avoid
accidents
especially
in production
plants, building
construction...
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EN1838: Application rules
Escape route
● Standard EN 1838 says:
● If Escape routes wider up to 2 m, luminaries must be
installed to ensure a minimum level of lighting (1 lux)
on the floor along the central line of the escape route.
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EN1838: Application rules
Anti-panic area
● Standard EN 1838 says:
● For anti-panic area, luminaries must be installed to ensure
a minimum level of lighting on the floor until 0.5 m from
the wall.
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EN1838: Application rules
Example 1/3
● Example of Escape Route and Anti-panic area
Escape Routes
Anti-panic
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Escape Routes
Escape Routes
Anti-panic
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EN1838: Application rules
Example 2/3
● Example of Escape Route and Anti-panic area
Escape Routes
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Anti-panic
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EN1838: Application rules
Example 3/3
● Example of High Risk Area: Production Plants, workshops
Chemical process
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EN1838: Application rules
Photometric rules
● Lumen:
lighting flux unit
or lighting power
● Lux:
flux received per unit
area of the illuminated
element.
1 lux = 1 lumen / 1 m²
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Different level
Midday on a sunny day
A sunny afternoon
Overcast sky
Top of a TV
Counter in a department store
Railway ticket office
Underground station platform
Apartment; domestic light
A well-lit street at night
Light from a candle 10 cm away
Full moon
50,000 to 100,000 lux
35,000 lux
32,000 lux
800 to 1600 lux
500 to 700 lux
650 lux
300 lux
100 to 300 lux
20 to 100 lux
10 lux
0.1 to 1 lux
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EN1838: Application rules
Parameters - Lighting level
● On the floor level:
Escape
routes
Anti-panic
> 0.5 lux
> 1 lux
High risk
area
> 15 lux
0m
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EN1838: Application rules
Exit indication
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EN1838: Application rules
Parameters - Safety signalling
● d: observation distance
● p: pictogram height
● s: 100 for signs externally lluminated 200
for signs self-illuminated
d=sxp
p
d
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EN1838: Application rules
Parameters - Safety signalling
● Internally illumated signs
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● Externally illumated signs
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EN1838: Application rules
Luminescence measurement of the signs
Luminescence ratio between the
2 colours at a distance of 15 mm
compared to the separation line
of the 2 colours
Frame 10 mm not included
in the measurement
Sign luminescence
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Background luminescence
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EN1838: Application rules
Location
of the luminaires
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EN1838: Application rules
Location of the luminaires
● At each Door
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EN1838: Application rules
Location of the luminaires
● Signs are required whenever the direction of escape is ambiguous
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EN1838: Application rules
Location of the luminaires
● Near changes of direction
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EN1838: Application rules
Location of the luminaires
● Near each flight of stairs
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EN1838: Application rules
Location of the luminaires
● At each change of floor level
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EN1838: Application rules
Location of the luminaires
● Near each intersection
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EN1838: Application rules
Location of the luminaires
● Near each Fire Alarm call point - fire fighting equipment
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EN1838: Application rules
Location of the luminaires
● Near first aid posts
● But:
● First Aide Site, Fire fighting equipment and call points
should be more lighted than escape route, when not
located on an escape route not located on an escape
route or in an anti-panic area.
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EN1838: Application rules
Location of the luminaires
● Over High Danger Areas
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EN1838: Application rules
Location of the luminaires
● Over Technical Areas
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EN1838: Application rules
Location of the luminaires
● Outside each final exit
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EN1838: Application rules
Anti-panic
Escape Route
> Provide a minimum lighting level to avoid
panic
0.5 Lux
> Signalisation of the way out
d=sxh
0.5 Lux
1 Lux
0.5 Lux
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0.5 Lux
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EN1838: Application rules
Anti-panic
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Escape Route
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What type of product to be used
depending on the need:
● Anti-panic area
Luminance to provide the right
luminous flux at the ground level
● Criteria:
● Height of the ceiling
(impact on the needful
flux).
● Surface of the area
(impact on nb
of luminaires
to be installed).
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What type of product to be used
depending on the need:
● Escape Route
Luminance to provide
the right luminous flux
at the ground level
Visibility distance to
indicate efficiently
the route of escape
● Criteria:
● Height of the ceiling
(Flux of the product).
● Dimension of the screen
(impact on nb of
luminaires to be installed).
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EN1838: Application rules
Distance between E.Lighting blocks
● Influent parameters
● Safety Lighting
● It depends of the
luminaire (shape,
composition, flux…)
● Location of the product
1 lux
1 lux min. on
Floor level
Escape Route
● Height over the floor,
the mounting: wall,
ceiling, axes positioning
● The level of light required
● 1 lux, 0.5 lux, 15 lux…
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Transverse
Spacing
to Wall
Transverse Spacing
Between Luminaires
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EN1838: Application rules
Distance between E.Lighting blocks
● Spacing Tables
● For each products exits a table which defines whether fittings are needed
in addition to those required for the points of emphasis.
Escape routes 1 lux min. along centre line
Open (Anti-panic) Areas 0.5 lux min.
luminaires arranged in a regular array
Ceiling
Transverse
mounting to wall
Height (m)
Transverse
spacing
Axial
to wall
Axial
spacing
Transverse
to wall
Transverse
spacing
Axial
to wall
Axial
spacing
2.5
1.8
5.6
1.5
4.7
2.1
5.6
1.7
4.6
3
1.5
5.5
1.2
4.6
2.0
5.8
1.7
4.8
4
-
-
-
-
1.7
5.8
1.5
4.9
5
-
-
-
-
0.8
5.4
0.6
4.6
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EN Standard
EN 50172:
rules for maintenances
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Maintenance rules EN 50172
● EN 50172 Periodic Maintenance & test records
Series of procedures to keep the safety lighting system working efficiently
●Daily
●Monthly
●Make a daily
check of the
energy source
power supply
indicators.
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●Make a test of
the luminaires,
simulating failure of
the standard power
supply for enough
time to allow
verification of the
start-up of the
lighting devices
and signs.
●Annually
●Make a
duration test
on each lighting
and sign
luminaires
simulating loss
in standard
power supply for
sufficient time.
●System
failures Should
have be
recorded
on a register
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