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lighting switches per single-gang plate.
Lighting switches installed adjacent to a door shall be located on the
handle side of the door, and shall be as near to the door as
practicable.
B4.3.3
Time Switch
Time switch shall be housed in a factory or purpose made metal
enclosure provided with a removal cover of durable clear plastic
material.
B4.3.4
Application in Bathroom
No switch shall be installed inside a toilet or a room containing a
fixed bath or shower. All control switches shall be located
immediately outside the room.
This restriction does not apply to insulating cord switches, remotely
operated switches using mechanical actuators with linkage
incorporating insulating components, switched supplied from
Separated Extra Low Voltage (SELV) and shaver units.
B4.4
INSTALLATION OF SOCKET OUTLETS
B4.4.1
General
Socket outlet intended for supplying a fixed or stationary appliance
shall be located as near as possible to the appliance.
Socket outlet shall be mounted at a height of 1350 mm above
finished floor level in kitchens, sculleries, ironing rooms and the like.
In other locations, they shall be mounted at 300 mm from finished
floor level, 75 mm from surface top measured from bottom of socket
outlet or as specified.
B4.4.2
Shaver Supply Unit
The complete unit shall be enclosed in a galvanized metal box for
flush mounting, or a galvanized cast iron or plastic surface box for
surface mounting.
B4.4.3
Socket Outlet at Hazardous Area
The installation of socket outlets in hazardous areas should be
avoided as far as possible. Where it is absolutely essential to install a
socket outlet in such area, the socket outlet shall comply with IEC
60079-0:2007 and other associated parts of the standard and shall be
controlled by a sparkless switch. The socket outlet shall be
interlocked with the plug so that removal or insertion shall not be
possible unless the controlling switch is in the OFF position. The
plug shall have shrouded pins and the design of the pin contacts shall
Section B4
Page 3 of 4
EE_GS
2012 Edition