Bathroom Zones Explained Using electrical equipment in bath or shower rooms has always needed care to ensure safety. Now the IEE Wiring Regulations (17th Edition) have identified particular zones within the bathroom to indicate what type of electrical equipment can be installed. BATHROOM ZONES ZONE 0 - Inside the bath or shower.
Any fitting used here must be SELV (max. 12V) and a minimum of IP-7 (protected against immersion). ZONE 1 - Above the bath or shower to a height of 2.25m.
An IP rating of at least IP-5 ZONE 2 - The area 0.6m outside of zone 1 An IP rating of at least IP-4 (see Note 1). Bathroom Zones explained A room containing a bath or shower is considered a special location because of the increased risk of electric shock. These regulations are sectioned into Zones and pay special attention to the areas in and around a bath or shower in the room as outlined in the 17th edition IEE Wiring Regulations.
The following three diagrams provide a guide the 17th Edition bathroom zones. Electrical equipment for use in bathrooms will have the zones for which it is suitable stated on the information or packaging. If not assume it's not suitable! Bath area 2 of 3 Shower area.
ZONE 2 ZONE 3 ZONE 1 ZONE 0 ZONE 0 ZONE 3 ZONE 0 Inside the bath or shower tray. Minimum IP rating of IP67, and a maximum voltage of 12 V. Learn how to safely install electrics into bathroom zones, showers, or wet rooms using your bs7627 18th edition guide.
ZONE 2 The area stretching to 60cm outside the bath or shower and above the bath or shower. An IP rating of at least IPX4 is required (see Note 1). ZONE 2 Outside the bath or shower, extending 0.6 metres beyond zone 1 and including the area around wash basins.
Bathroom Zone In UK house building and retrofit projects, bathrooms and wet rooms are segmented into distinct zones to assess water exposure risk. These zones guide the selection of safe, compliant electrical and building materials. Traditional bathrooms with bathtubs or shower trays use three zones, while wet rooms (designed for full water resistance) use two.
is installed in zone 1 or 2 it must be protected against the ingress of moisture to at least IPX4 and be suitable according to manufacturer's instructions. bathroom without a window should have its own means of isolation, as otherwise replacement or maintenance of the fan would have to be carried out in the dark. An i.