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Technical
Ingress protection ratings (IP)
c) shower without basin but with permanent fixed partition
permanent
partition
0.10m
zone 1
zone 0
zone 2
zone 0
2.25m
outside zones
outside zones
IP ratings in damp areas
Application of IP ratings within damp locations
BS 7671: section 701 (17th Edition)
Guidance is provided by the above standard to the selection of luminaires within
locations containing baths, showers and cabinets that contain a shower /and or
bath; along with the surrounding areas.
IK ratings
Degree of Impact Protection EN 50.102
The resistive performance of fittings to external mechanical impacts the IK code prefix
followed by two numbers.
Number
Measure of protection
– impact energy (joules)
Test
No protection to this standard -
0.15
0.20 kg impact
0.20
0.20 kg impact
0.35
0.20 kg impact
0.50
0.20 kg impact
0.70
0.20 kg impact
1.00
0.50 kg impact from 200mm
2.00
0.50 kg impact from 400mm
5.00
1.70 kg impact from 295mm
10.00
5.00 kg impact from 200mm
20.00
5.00 kg impact from 400mm
When higher impact energy protection is required 50 joules is recommended.
Zone
Equipment
permitted
IP requirements
0
No switch gear
1
Luminaires
if water jets are likely to be used
2*
Luminaires
if water jets are likely to be used
* IP ratings in Zone 2 do not apply to shaver supply units, complying with BS EN 61558-2-5,
located where direct spray from showers is unlikely.
a) bath tub
outside zones
window
recess
zone 2
zone 1
zone 0
0.6m
2.25m
zone 2
outside zones
*Zone 1 if the space is accessible without the use of a tool. Spaces under
the bath, accessible only with the use of a tool are outside the zones.
b) shower with basin
outside zones
recessed
luminaire
zone 1 zone 2
zone 0
0.6m
2.25m
outside zones
*