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Niles AB-2D Installation & Operation Manual page 10

Speaker/amplifier selector

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/ / A A
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P P E E A A K K E E R R
M M P P L L I I F F I I E E R R
E E L L E E C C T T O O R R
4. Secure the AB-2D to the electrical box or p-ring. Insert the
1
" long device screws into the oblong-shaped screw holes
1/4
on the top and bottom of the AB-2D. Note that the oblong
shape of the screw holes allow you to position the AB-2D so
that it is vertical. Position the AB-2D so that the screws are
aligned with the threaded holes in the electrical box or p-
ring. Tighten the screws using a phillips screwdriver. DO
NOT OVER-TIGHTEN. In some instances, you may need to
loosen these screws several turns to allow the AB-2D to fit
flush with the Decora cover plate. See (Figure 4).
5. Use the shorter plate screws to fasten the Decora cover
plate to the AB-2D. DO NOT OVER-TIGHTEN THE PLATE
Figure 4
SCREWS OR YOU MAY DAMAGE THE COVER PLATE. Line up
Loosening the Screws
all the screws in the same direction for a finished look.
for a Flush Fit
NOTE: Certain "old work" or "retro-fit" boxes, such as the
Carlon B225R, have a plastic "lip" which interferes with the
Decora plate screws. This lip prevents you from being able to
tighten these screws completely. To make the clearance nec-
essary for these screws, you must remove the parts of the lip
causing the interference. There are two ways to accomplish
this:
1. Drill through the lip of the box at the screw points.
2. Cut notches into the lip with a pair of diagonal cutters.
9

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