Bathroom Wiring Bathroom Zones 18th Edition

There are 3 bathroom zones that have been identified by the 18th edition iet wiring regulations and all applicable british standards.

Bathroom wiring bathroom zones 18th edition. This was previously known as zone 3 and is essentially anything in the bathroom that is not zones 0 2. There are 3 bathroom electrical zones that have been identified in the iee wiring regulations and these are. Supplementary equipotential bonding may be omitted subject to the wiring regulations being met. Bathroom luxuries if you have extra budget and want to turn your bathroom into your personal spa or television room there s always a way but just make sure that all electrics are fitted safely.

The bathroom zone number refers to the amount of water likely to be present. 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 zones explained using electrical equipment in bath or shower rooms has always needed care to ensure safety. Bathroom zones are areas where electrical equipment must offer a certain degree of protection against water.

Zone 1 is a circle with a radius of 1 2m from the fixed water outlet of the shower and to a height of 2 25m above floor level. Zone 0 is quite basically anywhere inside a bath basin or shower. Considered special zones within a bathroom. They are now identified from 0 to 2 with 0 being the wettest the previous zone 3 is no longer defined.

So any area inside the bath basin or shower tray. Window recesses that extend into the area zone 1 occupies is also considered as zone 2. The extent of zone 2 when using uk bathroom electrical safety zones. If there is no tray then zone 0 is from the floor to a height of 0 1m and the same horizontal extent as zone 1.

These included changes to the zonal system rcd protection on all bathroom circuits and 230 v socket outlets permitted 3 m horizontally from the boundary of zone 1. Any fitting or appliance used within zone 0 must be a maximum of 12 volts selv and. The 17th edition published in 2008 introduced a number of amendments. For showers with a tray or tub below the zones are identical to the bath zones above.

Now the iee wiring regulations 17th edition have identified particular zones within the bathroom to indicate what type of electrical equipment can be installed. 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. Whirlpool tub increasing numbers of homeowners are turning luxury into a reality by installing spa baths. This zone requires a minimum of ipx7 and only 12v selv equipment should be used.

The bathroom zones. 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. For example zone 0 covers areas inside baths or showers. The lower the zone number the higher the ip rating needs to be.

It s defined as any area within a bathroom that can hold water.