7. 14.
Blue
Blue
Blue
Blue
Junction box
Two-way
switches and C
Intermediate
switch B
C
Brown
Brown
Brown
Brown
Brown
Brown
Black
Grey
Grey
Black
Neutral
CPC
Line
Lamp
A C
FIGURE 14.6
Wiring diagram intermediate switch control.
To convert existing one-way switch control into two-way switch con-
trol, three-core and earth cable run from the existing switch position
to the proposed second switch position. long staircase with more
than two switches controlling the same lights would require intermediate
switching (see Fig. 14.Basic Electrical Installation Work
286
may switched off either position.
.6). The existing one-way switch is
replaced two-way switch and connected shown Fig.
Blue
Blue
Blue
Junction box
Brown
Brown
Brown
Brown sleeve
Brown
Black
Grey
Neutral
CPC
Line
Lamp
C C
Two-way
switches
FIGURE 14.7
Wiring diagram one-way converted two-way switch control. Cord
switches can provide convenient method control bedrooms bath-
rooms and for independently controlling office luminaire.
One-way, two-way intermediate switches can obtained plate
switches for wall mounting ceiling mounted cord switches
