| Luminaires chosen for use in bathrooms are subject to certain wiring regulations (BS7671: Section 601) and must be selected and erected, so as to be suitable for the external influences likely to occur at the particular point of installation. Such influences are likely to include steam (leading to condensation), falling drops of water and sprays and/or jets from shower heads. Zone 0 - Interior of bathtub or shower tray -IPX7 and low voltage supply (max 12v)
Zone 1 - Perimeter of bathtub or shower tray up to a height of 2.25m above the floor - IPX4. Use IPX5 where water jets are used for cleaning purposes.
Zone 2 - Perimeter 0.6m wide around Zone 1 and 0.75m above Zone 1 - IPX4 Use IPX5 where water jets are used for cleaning purposes.
Zone 3 - Perimeter 2.4m wide around Zone 2 and 0.75m above Zone 2 - Use IPX5 where water jets are used for cleaning purposes. Otherwise no specified IP rating required, although lights should be suitable for their location and provide adequate protection against electric shock. |
