Zone 0 is inside the bath or shower itself.
Bathroom lighting zones 18th edition.
Section 715 extra low voltage lighting installations.
Note this is measured from the floor level not the interior of the bath.
These areas must have a particular.
Zone 0 is defined as any area in a bathroom that can hold water.
Why do bathroom lights have an ip rating.
Zone 1 is the area directly above the bathtub to a height of 2 25m above floor level yellow in the diagram.
Zone 1 for a bathroom is the same width as zone 0 the width of the bath extending to 2 25m above the finished floor level.
If there is a likelihood of water jets being used for cleaning purposes a minimum of ipx5 is required.
Zone 2 extends horizontally 60cm from the edge of zone 1 shown pink in the diagram.
Zone 1 for a shower room is 2 25m.
Enclosed and water protected.
Bathroom zones are areas where electrical equipment must offer a certain degree of protection against water.
When thinking about lighting for your bathroom it is important to think about the below bathroom zones to ensure the lighting you want can be installed in your desired location.
For example zone 0 covers areas inside baths or showers.
For make up application and shaving it s best to have a bright light but if relaxing for a soak in the tub you ll want to be sure you can dim the lights.
This means that you can install a 230 v light fitting above a shower or bath as long as they have a rating of at least ipx4 i e.
There are 3 bathroom zones that have been identified by the 18th edition iet wiring regulations and all applicable british standards.
Any fitting used in this zone must be low voltage max 12v and be rated at least ip67 which is total immersion proof.
Regulations are very strict as to which lights you are able to use in a bathroom and to complicate matters bathrooms have different zones which determine what type of light you may use within that zone.
Selv with the transformer located beyond zone 2.
The bathroom zone number refers to the amount of water likely to be present.
Shown green in the diagram.
The following list provides an overview of the main changes within the 18th edition iet wiring regulations publishing 2 july 2018.
The lower the zone number the higher the ip rating needs to be.
Lighting in the bathroom is important.
If installed more than 0 6 m from the edge of a shower basin or bath outside the zones no special fitting is required but the luminaire must be of a suitable design for the conditions.
The circuit in this zone i e.
According to the iet 18th edition wiring regulations section 701 it is necessary to install ventilation products that meet a minimum of ipx4 in zones 1 and 2 of a bathroom.
Bathroom lighting lighting needs to be functional but can also be adaptable for mood setting.
This means that when installed correctly the product should prevent ingress of water and remain safe for use without the potential to cause harm to the end user i e.
