The diagrams and information below are a guide to Bathroom Zones as referred to in IP ratings of the Heating Elements section. Please refer to the latest edition of BS7871 to ensure conformity.

It is important to install an electric towel rail in the correct bathroom zone i.e. the zone referred to in the IP rating of the element. This is not an installation guide and reference should be made to the latest edition of the IEE wirings Regulations or a qualified electrician.

Zone 0 is inside the bath or shower tray itself. Any appliance used in this zone must be rated at least IP67 which is total immersion proof.

Zone 1 is the area above the bath or shower tray to a height of 2.25m from the floor. In this zone a minimum rating of IP44 is required and elements must also be protected by a 30m. A residual current device (RCD) to protect the circuit. The electrical connection to the power supply for these elements must be in Zone 2 of the bathroom in compliance with BS7671:2001 - IEE Wiring Regulations.

Zone 2 is an area stretching 0.6m outside the perimeter of the bath and to a height of 2.25 m from the floor. In this zone an IP rating of at least IP44 is required. In addition it is good practice to consider the area around a wash basin, within a 60cm radius of any tap to be considered as zone 2.

For full details reference should be made to the latest copy of the IEE wiring regulations and all applicable British Standard Specifications - European norm.


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