Technical Information

CAUTION! - DISCLAIMER


From 1st January 2005 people carrying out electrical work in homes and gardens in England and Wales will have to follow the new safety rules in the Building Regulations.

For more information contact your local authority’s Building Control Department or visit
www.odpm.gov.uk/electricalsafety
www.odpm.gov.uk/explanatory-booklet

Approved Document P explains how to meet the new rules. Download this free of charge from
www.odpm.gov.uk/approved-documents

When in doubt request advice from your electrician.

The page you are about to view is for information only and is not given as a substitute for following the above advice in any way whatsoever.

IP RATINGS

Degrees of IP protection
IP protection rates a resistance to dust and moisture
IP protection is expressed with the letters 'IP' followed by two numerals.
The first numeral relates to the resistance to dust.
The second numeral relates to the resistance to moisture.
In Lighting applications the first numeral can largely be ignored, and is at times shown with a 'X'.
Similarly if the second numeral is zero then there is no waterproofing.

Degree Protection against dust Protection against moisture
IP20 Solid bodies larger than 12mm in diameter.
IP23 Solid bodies larger than 12mm in diameter. Rainfall
IP40 Solid bodies diameter 1mm.
IP43 Solid bodies diameter 1mm. Rainfall
IP44 Solid bodies diameter 1mm. Sprays from all directions.
IP54 Partial protection against dust. Sprays from all directions.
IP55 Partial protection against dust. Jets from all directions.
IP65 Sealed against dust. Jets from all directions.
IP68 Sealed against dust. Operation while submerged for long periods at a depth of ...meters

BATHROOM TECHNICAL INFORMATION

Guide to domestic bathrooom regulations

Zone Key

  • All light fittings in Zone 0 must be watertight and be12 volts or less. (IP67 or IPX7)
  • All light fittings in Zone 1 must be splash proof (IP44 or IPX4)Please note: Mains voltage fittings in this Zone must be wired on a separate circuit & protected by a 30mA residual current device (RCD)
  • All light fittings in Zone 2 must be splash proof (IP44 or IPX4)
  • All light fittings in Zone 3 have no no special requirements.

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