● Hallways two double sockets with one situated next any tele-
phone outlet.12 and 14.
● Garage two double sockets.
● Home Office six double sockets. 14.Electrical installations and wiring systems
293
Socket outlet numbers
The Regulations allow install unlimited number socket outlets,
the restriction being that each circuit must not exceed given floor area as
shown Figs.
● Sitting rooms will require between six and ten double sockets with
one double socket situated next any telephone outlet power
telecommunication equipment and two double sockets adjacent to
the aerial outlet for TV, video and DVD supplies.
These days most households have lots domestic appliances and electronic
equipment, how many sockets should installed? Ultimately this a
matter for the customer and the electrical designer but most consumer orga-
nizations, the house builders NHBC and the Royal Society for the Prevention
of Accidents (ROSPA) make the following general recommendations:
● The hard wiring for single socket outlet the same the hard wir-
ing for double socket outlet.
● Double bedrooms four six double sockets.
● Single bedrooms four six double sockets.
● Kitchens will require between six and ten double sockets, fitted both
above and below the work surface for specific appliances.
.13.
● Utility room two double sockets. So, always install double switched
socket outlet unless there reason not to.16
Typical ring circuit with spurs.
Fused
spur
Fixed
appliance
Fixed
appliance
Non-fused spur
Non-fused spur
Non-fused spur
Switched fused spur
FIGURE 14
