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10
Other Considerations
There are additional Regulations and Codes of Practice that need to
be considered during the design of an installation. These will affect
the choice of consumer unit.
Division of Installation
Section 314 calls for the installation to be so divided to:
a. Avoid hazards and minimize inconvenience in the event of a fault
b. Reduce the possibility of unwanted tripping of the RCD due to
excessive protective conductor currents.
To comply with these requirements the circuits of an installation
should not be connected to a single RCD, as this could lead to loss
of supply to the entire installation in the event of a fault on one circuit,
clearly inconvenient for the user of the building.
All circuits of an installation should not be connected to
a single RCD
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