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    Wiring Rules
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Home care and patient areas

In a room where medical electrical equipment of Class I is installed for either home care or in patient areas, the socket outlets for the equipment shall be protected by a Type I RCD 10mA. This RCD shall interrupt all live conductors.

Note
There are many differing factors that contribute to whether a Type I 10mA RCD needs to be installed.

Please ensure you check the AS/NZS 3000 wiring rules section 2.6 or AS/NZS 3003 section 5.2, 1.4.17, 2.1, 2.2, and 2.8 for each individual scenario.
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Condensation issues

In installations where condensation may be an issue, purpose made anti-condensation and waterdrains that maintain the IP rating of the enclosure may be used. This shall be installed according to manufacturers instructions to ensure the IP rating is maintained.

Note
Drilling a drain hole in the bottom of the enclosure alone destroys the IP rating of the enclosure.
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Minimum IP ratings for wall mounting under eaves

Electrical accessories without a specific IP rating are protected when installed within the space contained by the edge of the eave, verandah or overhang and a plane from the outer edge of 30o continuing to the exterior wall. Anything out side this area shall have a minimum protection degree of IP33.

Exception
Meterboxes outside the area shall have a minimum protection degree of IP23.
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Switches for cooking appliances



A circuit for a fixed or stationary cooking appliance having an open cooking surface incorporating electric heating, shall be provided with a switch operating all active conductors, mounted near the appliance in a visible and readily accessible position.

Note
The switch shall not be mounted on the cooking appliance.
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Prohibited zones in wet areas

In baths, showers and other fixed water containers there are 4 zones each covering different electrical devices and many individual specific scenarios.

Please ensure you check the AS/NZS 3000 wiring rules section 6.2 for each individual scenario.
Examples of fixed water container scenarios are given at right.

Figure 6.13: Zone dimensions for other fixed water containers with fixed water outlets where no container has a capacity exceeding 40L

Figure 6.14: Zone dimensions for other fixed water containers with a flexible water outlet or with a capacity exceeding 40L