French electrical regulations - Part 2 Bathroom Zones October 25, 2018 NF C 15-100 French Bathroom Electrics and their zonesA bathroom is made up of several zones where there are specific restrictions on what is allowed. There are now 3 zones to bring in line with European standards.Volume 0 - Submerged in waterVolume 1 - Heavily sprayed with waterVolume 2 - Lightly sprayed with waterEvery item of electrical equipment has a specific protection rating denoted by IPxx (where x relates to the protection level). The first number relates to protection of ingress (solids) and the second number relates to protection of moisture (waterproofing level).IPX4: water projection from all directionsIPX5: projection against the jets of water with the lance of any directionIPX7: projection against the effects of temporary immersion. There is also another classification for electrical equipment, this shown by the following symbolsClass I: household appliances, convectors, wall lights; which must be connected to the earthClass II: double-insulation electrical appliances that do not have to be earthed.The following table shows what is allowed in the different zonesEquipmentElectrical ClassVolume 0IPX7Volume 1 IPX5Volume 2IPX4No volumeWashing machine, Tumble dryer✖️✖️✖️✔️Heating equipmentClass 1✖️✖️✖️✔️Class 2✖️✖️✔️✔️LightingClass 1✖️✖️✖️✔️Class 2✖️✖️✔️✔️Extra Low Voltage (12V)✔️✔️✔️✔️Instant hot waterClass 1✖️✔️✔️✔️Hot water cylinderClass 2✖️✔️✔️✔️Light switch✖️✖️✖️✔️Extra Low Voltage (12V)✖️✔️✔️✔️Power outlet with earth✖️✖️✖️✔️Shaver socketSeparated Low Voltage✖️✖️✔️✔️Transformer✖️✖️✖️✔️Cabling✖️✔️✔️✔️Junction box✖️✖️✖️✔️There is also another zone, known as the hidden zone. This is below the bath or shower tray. The only thing allowed in this zone is extra low voltage (12V) equipment such as lighting or radios.