Designer Towel Rails - IP Rating & Bathroom Zones


IEE Wiring Regulations have identified the following zones and IP ratings to ensure safety.

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In zones 1 and 2 if there is a likelihood of water jets being used for cleaning purposes a minimum of IPx5 is required.
Where ceiling heights exceed 2.25m, the zones are effectively up to 3m, beyond 3m the walls are out of scope.
Basins are not covered, however they are usually considered zone 2.

If the space underneath a bath cannot be accessed without tools that space is considered out of zone.
Information contained on this page is for guidance only. Please refer to current IEE Regulations or a qualified electrician.


The IP (ingress protection) rating given to an enclosure states the degree of protection of offers by means of two digits.
A summery of these are detailed below. For more information please see IEC 529: 1989 BSEN 65029:1992.

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EC 529, bs en 60529 does not apply to any risk of explosion or conditions such as humidity, corrosive gases, fungi or vermin. In certain cases equipment designed to be mounted in an enclosure will contribute towards the stated IP rating (e.g. Push buttons mounted in an enclosure). Different parts of enclosures can have different degrees of protection and still conform to the standard (e.g. Enclosures with pre-drilled conduit entry). All information strictly for guidance only, please refer to regulations, a qualified electrician and manufacturers for information if you are in any doubt.