Ingress Protection (IP Codes)
First Numeral covers protection of persons against solid objects (BS EN60529)
Second Numeral covers resistance to ingress of water
Examples
Bathroom and Shower Cubicle Zone restrictions for IP ratings (Waterproofing)
Zone 0. The interior of the bath or shower cubicle. Only SELV (Low Voltage 12V. AC. Transformers must be sited outside Zones 0,1,2. IP rating must be at IPx7 or above.
Zone 1. The area immediately above bath or shower cubicle. IP rating needed of at least IPx4.
Where water jets are likely to be used for cleaning purposes in communal baths & showers at least IPx5 is required
Zone 2. Within 0.6m (24”) of the outside edge of the bath or shower. IP rating needed of at least IPx4.
Where water jets are likely to be used for cleaning purposes in communal baths & showers at least IPx5 is required
Zone 3. Anywhere outside to 2.4m (8ft) of other zones. No specific IP rating unless where water jets are likely to be used for cleaning purposes in communal baths & showers at least IPx5 is required. Condensation or Steam ingress must also be considered in this zone, though not part of the regulations.
