Bathroom Lighting Regulations and Zonal Information
- All installations must comply to guidelines based on the zonal requirements These regulations apply to domestic installations only.
- It is recommended that all electrical work carried out is done by a suitably qualified electrician in accordance with the current IEE wiring regulations (17th Edition).
- Bathroom Lights are classified using an IP (Ingress Protection) rating.
The IP characters are followed by 2 numbers which refer to the level of protection against ingress of foreign bodies (1st number), and protection against the ingress of liquids (2nd number)
Zone 0 — is inside the bath or shower. Any fitting used in this zone must be low voltage (max 12v) and be rated at least IP67(immersion proof).
Zone 1 — is an area above the bath to a height of 2.25m from the floor. In this zone a minimum rating of IP64 is required
Zone 2 — is an area stretching 0.6m outside the perimeter of the bath and to a height of 2.25m from the floor. In this zone a mini- mum of IP64 is required. Around a wash basin, a radius within 60cm is considered as zone 2.
Outside Zones — has no special requirements unless water jets are likely to be used for cleaning purposes.
All Zones — any electrical circuits in a bathroom must be protected by a 30mA Residual Current Device (RCD). Electrical equipment exposed to water jets for cleaning purposes must be at least IPX5.