Bathroom Lighting Zones Explained.
Zone 0 refers to the interior of a bath or shower tray. Bathroom Lighting in this area must be suitable for submersion therefore carry a rating of IP67 (Immersion to 1m) or IP68 (Pressurised Immersion). In addition to this rating they must be a maximum of 12 volts and used in conjunction with a SELV transformer.
Zone 1 is the area directly above the bath or shower tray to a height of 2.25m such as the inside of a shower cubicle. Fittings in this area must be splash proof therefore carry a minimum rating of IP44. If the fitting is subject to direct contact with water a higher rating of IP65 (Jet Proof) is required. An example of this type of light would be shower lights. If 240V shower lights are used they must be protected by a 30MA RCD.
Zone 2 is any area in the bathroom within 60cm of the perimeter of the shower cubicle, bath or sink. Fittings in this area must be splash proof therefore carry a minimum rating of IP44. As in Zone 1 if water jets are likely to come in to contact with the fitting (i.e. cleaning purposes) IP65 should be used. We offer many bathroom lighting products suitable for use in this area including Ceiling Lights, Spot Lights, Wall & Mirror Lights including IP44 Illuminated Mirrors with Shaver Socket.
Zone 3 refers to all other areas of the bathroom. Although no specific IP rating is required for this area many developers and contractors choose to install bathroom lights with a minimum rating of IP44. Legislation states bathroom lighting in this area should be fit for purpose in compliance with BS7671.
The above bathroom lighting zones information is intended as a guide only. The information is base on the UK I.E.E Wiring regulations (BS7671: 2001 Section 601) which may be subject to change.
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