
T400 Controller Facilities Manual
667/EB/20200/000 Page 18-7 Issue 9
Figure 18.1 - PEDESTRIAN AUDIBLE INDICATION (SIGNAL HEAD MOUNTING)
(Note: If it is required to switch the Audibles, then see Figure 18.2)
240v
(if dim,
160v etc.)
12v
(or 8v etc)
5 Amp.
bridge rectifier
667/1/15799/000
10k
Ω
resistor fitted
when there is no
lamp load (on the
transformer), e.g. on
a short wait pole.
100
µ
F 25v
Audio unit in wait
indicator box
667/1/01478/006
Wait Indicator Box
Pedestrian Signal Head
Pedestrian Green
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