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Although additional regulations relating to bathrooms etc are not new,
there are some important changes to consider.
Section 701, Locations containing a bath
or shower
Regulation 701.411.3.3 requires that all circuits within this location
shall be additionally protected by an RCD not exceeding 30mA. This
would mean 230V lighting, the 230V supply to the source for SELV,
a shower circuit and bathroom heater for example will all need RCD
protection.
A standard 13A socket outlet is now permitted in this location
provided however the socket outlet is more than 3m from the
boundary of zone 1.
The 16
th
Edition required local supplementary bonding be provided
connecting together all exposed and extraneous conductive parts
in the zones. This is no longer required in this location provided the
following conditions are met:
• All final circuits of the location comply with the automatic
disconnection requirements according to regulation 411.3.2.
• All circuits are RCD protected in accordance with 701.411.3.3.
• All extraneous-conductive parts of the location are effectively
connected to the protective equipotential bonding according to
regulation 411.3.1.2 (Previously termed main equipotential
bonding).
All circuits in locations containing a bath or shower shall
be protected by an RCD not exceeding 30mA
“
”
Circuits in locations containing a bath or
shower should be protected by an RCD