Bathroom Electrics

Electrical Work in Bathrooms

Bathrooms are no longer simply functional washrooms, they are now seen as a showcase for a home or a relaxing sanctuary from busy family life. They are getting bigger and better, with separate showers, oversized tubs, sauna rooms and even televisions!! Auber Electrical seeks to make bathroom installations as safe as possible by carefully following wiring and building regulations, choosing specially designed equipment. All electrical circuits within bathrooms must be protected by Residual Current Devices (RCD) not exceeding 30mA. This is because it is regarded as a high risk area for electrics. 

For the purposes of installing electrical equipment, a bathroom is divided into zones. The criteria for each zone is based on the risk of electric shock. The zones relate to the IP rating of products and where they can be safely installed.

Zone 0 - The interior of the bath or shower that can hold water. Requires electrical products to be low voltage (max 12V) and rated IPX7.

Zone 1 - The area directly above zone 0, limited to a height of 2.25m above the bath or shower. Requires electrical products to have an IPX4 or better. Products should use safety extra low voltage (SELV) with the transformer located in zone 3 or beyond.

Zone 2 - The area beyond zones 0 and 1, stretching 0.6m horizontally and up to 2.25m vertically. Also includes the recessed area of a window with a sill next to the bath. Requires electrical products to have an IPX4 or better. SELV with the transformer located in zone 3 or beyond.


The use or installation of a sockets is not allowed in bathrooms or shower rooms, unless they can be fitted at least three metres from the bath or shower. The only exception to this is a shaver-supply unit.

If you do have an electrical shaver points installed, it must be a safe distance (in metres) from the bath or shower to avoid splashes.

When choosing the style of light you have installed in your bathroom, it is recommended to pick enclosed ceiling lights instead of the ones that hang down. If you do have light fittings, that are not enclosed, they must be out of reach of anyone who is still wet from being in the shower or bath.

A typical everyday light switch is a danger due to the potential dampness and wet hands that might come into contact with it. A ceiling mounted pull cord is the safest option.

Heaters and towel rails

Central heating is the safest way to keep a bathroom warm. But if you do have an electric heater, it must be fixed at a safe distance from the bath or shower. Electric heaters in a bathroom must be fixed and permanently wired, unless they are powered by a socket fitted three metres from a bath or shower.

A pull-cord or switch outside the bathroom is the ideal way to control electric heaters.


An electric shower must be supplied on its own circuit directly from your fusebox.



Auber Electrical are fully qualified to install all your bathroom electrical needs, from lighting to showers, jacuzzi's and hot tubs to underfloor heating. Our professional and friendly service will ensure you get safely and correctly planned and installed electrical equipment.