They are now identified from 0 to 2 with 0 being the wettest the previous zone 3 is no longer defined.
Iee bathroom lighting zones.
Bathrooms are defined as a special location within bs7671.
As you can see the illustrations show four distinct bathroom zones 0 1 2 and 3 referred to in the key as outside zones.
The previous iee 16th edition identified zones within the bathroom to illustrate what type of electrics in the bathroom can be used or installed and these have been updated in the 17th edition.
Lighting in the bathroom is important.
Zone 0 is quite basically anywhere inside a bath basin or shower.
Zone 1 is the area directly above the bathtub to a height of 2 25m above floor level yellow in the diagram.
When x is used it means that protection against solids is not important.
Bathroom lighting tips ideas.
Yes a plate switch is allowed outside the zones of a bathroom.
Ip stands for international protection but is more commonly known as ingress protection.
These areas must have a particular minimum ip rating that protects against water immersion in this case ip67.
The 17th edition of the iee wiring regulations redefined the zones for electical equipment in bathrooms and must be used for installations designed after 30th june 2008.
The bathroom zones.
Zone 1 is the area above the bath or shower tray to a height of 2 25m from the floor.
For example zone 0 covers areas inside baths or showers.
It s defined as any area within a bathroom that can hold water.
If lighting is required in there any fitting used must use a low voltage supply that is a maximum of 12v and also be rated at least ipx7 which means it is totally immersion proof.
Zone 0 is the area inside the bathtub.
A switch should be at least 0 6 m from the edge of the bath or shower outside the zones and must be suitable for the location.
To fully understand bathroom zones you should first have knowledge of ip ratings.
Bathroom zones are areas where electrical equipment must offer a certain degree of protection against water.
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.
The bathroom zone number refers to the amount of water likely to be present.
Shown green in the diagram.
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 electrical shocks or electrocution.
This video explains where the various zones are and what is permitted in each zone.
The lower the zone number the higher the ip rating needs to be.
These zones take into account windows doors walls ceilings and partitions assessing the level of risk in each zone with specific.
There are 3 bathroom electrical zones that have been identified in the iee wiring regulations and these are.
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.