October 2013
Intermediate to advanced
192 pages
8h 30m
English
Content preview from Electric Wiring, 3rd Edition
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Fluorescent-tube lighting
55
Twin-tube and quickstarting circuits
Two tubes may be mounted
in a
single fitting, each tube normally having
its
own starting switch. Only one choke and p.f.c. are normally fitted, and the
connection details
are
given
in
Fig 4.16.
A fluorescent-tube circuit designed
to
give
a
quick-
or
switchless-start
is
shown
in
Fig. 4.17. With
the
circuits mentioned previously,
the use of a
starter switch means that several seconds may elapse between switching
on
and the tube striking. With quickstart circuits, this starting period is reduced
considerably by arranging that the discharge strikes automatically as soon as
the cathode ...
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