Bathroom Zones

Posted by admin2 04/05/2016 0 Comment(s)

Bathroom Zones

 

 

IP Ratings Explained

 

IP1 Protection against ContactIP2 Waterproofing
0No Protection0No Protection
1

Protection from solid objects greater than 50mm in diameter

1Protection from dripping water
2

Protection from object no greater than 12mm in diameter

2Protection from vertically dripping water (tilted up to 15°)
3Protection from objects no greater than 2.5mm in diameter3Protection from sprayed water (tilted up to 60°)
4Protection from objects no greater than 1mm in diameter4Protection from splashed water
5Complete protection against contact, protection against dust deposit5Protected from water projected from a nozzle
6Complete protection against contact, protection from infiltration of dust6Protected against heavy seas, or powerful jets of water
7 7Protected against immersion
8 8Proteced against complete, continuous submersion in water
9 9Protection against the ingress of water even under high pressure.

 

As well as IP numbers, items may be classed as PELV or SELV.

  • Separated Extra-Low Voltage (SELV)
  • Protective Extra-Low Voltage (PELV)
Zone 0
Requires electrical products to low voltage (max. 12 volts) and be IP67.
Zone 1
Requires electrical products to be IP44 or better, or SELV with the transformer located in zone 3 or beyond. If the fitting is 240v, a 30mA RCD must be used to protect the circuit.
Zone 2
Requires electrical products to be IP44 or better, or SELV with the transformer located in zone 3 or beyond.
Zone 3
The regulations do not specify any IP number for zone 3, however reference should be made to the manufacturers data in case it indicates any exclusion. Portable electrical equipment is not permitted other than that using a SELV or shaver unit
 
Standard electrical wall fittings (such as wall sockets, flexible cord outlets and fused switches etc) are not IP rated so cannot be installed within zones 0, 1 or 2.