Zone 1: This is the area directly above the bath or the shower tray to a height of 2.25m above the floor. A minimum of IP:4 (splash proof) is required for normal domestic use.
ZONE 2: This is the area over the bath tub or shower tray above zone1. This is the area external to zone1 and extends vertically 0.6m external to zone1 to a height of 2.25m. Protection required is the same as zone1.
ZONE 3: This is the area shown above zone 2 in the illustration above. This is the area external to zone 2 to a distance of 2.4m from zone 2 and a height above the floor of 2.25m. The protection required for normal domestic use is IP20. We recommend that you consult a qualified technician to ensure that all wiring and supply are protected in accordance with regulations before undertaking any work in a bathroom. The above does not apply to communal baths and showers where jets of water are used for cleaning purposes.
