Difference between revisions of "Bathroom electrics"
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| − | There are extra considerations for electrical wiring in a bathroom. | + | There are extra considerations for [[House Wiring for Beginners|electrical wiring]] in a bathroom. |
Article currently incomplete. | Article currently incomplete. | ||
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==Zones== | ==Zones== | ||
| − | Bathrooms are divided into zones for electrical purposes. | + | [[:Category:Bathrooms|Bathrooms]] are divided into zones for electrical purposes. |
===Zone 0=== | ===Zone 0=== | ||
| − | * The interior of the bath or shower | + | * The interior of the bath or [[Showers|shower]] |
| − | * Electrical appliances here must be IPX7 | + | * Electrical [[:Category:Appliances|appliances]] here must be IPX7 |
* Electrical appliances here must run on 12v maximum SELV | * Electrical appliances here must run on 12v maximum SELV | ||
===Zone 1=== | ===Zone 1=== | ||
| − | * area directly above zone 0, upto a height of 2.25m above the bath or shower | + | * area directly above zone 0, upto a height of 2.25m above the bath or [[showers|shower]] |
* Electrical appliances must be SELV with the transformer in zone 3 or beyond | * Electrical appliances must be SELV with the transformer in zone 3 or beyond | ||
| − | * Electrical appliances must be IPX4 or better | + | * Electrical [[:Category:Appliances|appliances]] must be IPX4 or better |
===Zone 2=== | ===Zone 2=== | ||
* area beyond zones 1&2, extends 60cm horizontally and upto 2.25m vertically beyond zones 0&1. | * 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 | + | * Also area within 60cm of [[Plumbing|sinks]], plus area directly below this |
| − | * Electrical appliances must be IPX4 or better | + | * Electrical [[:Category:Appliances|appliances]] must be IPX4 or better |
* Electrical appliances here must run on SELV wth transformer in zone 3 or beyond | * Electrical appliances here must run on SELV wth transformer in zone 3 or beyond | ||
===Zone 3=== | ===Zone 3=== | ||
* area beyond zone 2, extending to 2.4m horizontally and 2.25m vertically. | * area beyond zone 2, extending to 2.4m horizontally and 2.25m vertically. | ||
| − | * No appliance IP requirement | + | * No [[:Category:Appliances|appliance]] IP requirement |
* Some appliances are marked unsuitable for bathrooms | * Some appliances are marked unsuitable for bathrooms | ||
| − | * Some appliances are not thus marked, but are still unsuitable. CRT TVs are one example. | + | * Some appliances are not thus marked, but are still unsuitable. CRT [[:Category:TV|TVs]] are one example. |
* Shaver units permitted | * Shaver units permitted | ||
* SELV appliances permitted | * SELV appliances permitted | ||
| Line 32: | Line 32: | ||
===Unzoned=== | ===Unzoned=== | ||
* Outside zone 3 | * Outside zone 3 | ||
| − | * Under the bath if a tool is required to gain access | + | * Under the bath if a [[Hand Tools|tool]] is required to gain access |
| − | * Non-selv portable appliances must be physically prevented from entering zone 3 | + | * Non-selv portable [[:Category:Appliances|appliances]] must be physically prevented from entering zone 3 |
| Line 43: | Line 43: | ||
Section to be written. | Section to be written. | ||
| − | Installing mains electrics in | + | Installing [[House Wiring for Beginners|mains electrics]] in [[showers]] is definitely frowned upon. But remarkably, it has been done! |
Revision as of 02:02, 16 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 showers is definitely frowned upon. But remarkably, it has been done!