Difference between revisions of "Bathroom electrics"
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− | There are | + | There are extra considerations for electrical wiring in a bathroom. |
+ | |||
+ | Article currently incomplete. | ||
+ | |||
+ | |||
+ | ==Zones== | ||
+ | Bathrooms are divided into zones for electrical purposes. | ||
+ | ===Zone 0=== | ||
+ | * The interior of the bath or shower | ||
+ | * Electrical appliances here must be IPX7 | ||
+ | * Electrical appliances here must run on 12v maximum SELV | ||
+ | |||
+ | ===Zone 1=== | ||
+ | * area directly above zone 0, upto a height of 2.25m above the bath or shower | ||
+ | * Electrical appliances must be SELV with the transformer in zone 3 or beyond | ||
+ | * Electrical appliances must be IPX4 or better | ||
+ | |||
+ | ===Zone 2=== | ||
+ | * area beyond zones 1&2, extends 60cm horizontally and upto 2.25m vertically beyond zones 0&1. | ||
+ | * Also area within 60cm of sinks, plus area directly below this | ||
+ | * Electrical appliances must be IPX4 or better | ||
+ | * Electrical appliances here must run on SELV wth transformer in zone 3 or beyond | ||
+ | |||
+ | ===Zone 3=== | ||
+ | * area beyond zone 2, extending to 2.4m horizontally and 2.25m vertically. | ||
+ | * No appliance IP requirement | ||
+ | * Some appliances are marked unsuitable for bathrooms | ||
+ | * Some appliances are not thus marked, but are still unsuitable. CRT TVs are one example. | ||
+ | * Shaver units permitted | ||
+ | * SELV appliances permitted | ||
+ | |||
+ | ===Unzoned=== | ||
+ | * Outside zone 3 | ||
+ | * Under the bath if a tool is required to gain access | ||
+ | * Non-selv portable appliances must be physically prevented from entering zone 3 | ||
+ | |||
+ | |||
+ | |||
+ | ==Supplementary bonding== | ||
+ | |||
+ | |||
+ | ==Showers== | ||
+ | Section to be written. | ||
+ | |||
+ | Installing mains electrics in shower is definitely frowned upon. But remarkably, it has been done! | ||
+ | |||
+ | |||
+ | ==See Also== | ||
+ | * [[Special:Allpages|Wiki Contents]] | ||
+ | * [[Special:Categories|Wiki Subject Categories]] | ||
+ | |||
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[[Category:Electrical]] | [[Category:Electrical]] | ||
[[Category:Bathrooms]] | [[Category:Bathrooms]] |
Revision as of 01:52, 12 January 2009
There are extra considerations for electrical wiring in a bathroom.
Article currently incomplete.
Zones
Bathrooms are divided into zones for electrical purposes.
Zone 0
- The interior of the bath or shower
- Electrical appliances here must be IPX7
- Electrical appliances here must run on 12v maximum SELV
Zone 1
- area directly above zone 0, upto a height of 2.25m above the bath or shower
- Electrical appliances must be SELV with the transformer in zone 3 or beyond
- Electrical appliances must be IPX4 or better
Zone 2
- area beyond zones 1&2, extends 60cm horizontally and upto 2.25m vertically beyond zones 0&1.
- Also area within 60cm of sinks, plus area directly below this
- Electrical appliances must be IPX4 or better
- Electrical appliances here must run on SELV wth transformer in zone 3 or beyond
Zone 3
- area beyond zone 2, extending to 2.4m horizontally and 2.25m vertically.
- No appliance IP requirement
- Some appliances are marked unsuitable for bathrooms
- Some appliances are not thus marked, but are still unsuitable. CRT TVs are one example.
- Shaver units permitted
- SELV appliances permitted
Unzoned
- Outside zone 3
- Under the bath if a tool is required to gain access
- Non-selv portable appliances must be physically prevented from entering zone 3
Supplementary bonding
Showers
Section to be written.
Installing mains electrics in shower is definitely frowned upon. But remarkably, it has been done!