IP (Ingress Protection) Ratings Guide
The IP Code (or International Protection Rating, sometimes also interpreted as Ingress Protection Rating) consists of the letters IP followed by two digits and an optional letter. It classiﬁes the degrees of protection provided against the intrusion of solid objects and water in electrical enclosures.
Bathroom zones are areas where electrical equipment must offer a certain degree of protection against water. The bathroom zone number refers to the amount of water likely to be present. The lower the zone number, the higher the IP rating needs to be.
Inside the bath or shower. Fans cannot be installed into zone 0.
The width of the bath or shower tray up to
2.25m above the ﬂoor level. Electrical items installed in this area must have an IP rating of IPX4 or higher.
This zone extends to 0.6m around the bath or shower tray and 2.25m above the ﬂoor level.