Electro-Voice EVID - Manual (Page 9)

through the strain relief fitting on the terminal
cover plate (Figure 14). Hold the strain relief fit-
tings tight around the cable.Tighten the strain
relief screws first, then the horizontal screw. In
the cases of insulated speaker wire and plenum
cable, it is often possible to provide acceptable
strain relief force by simply tightening the
strain relief screws onto the terminal cover
plate.
2. If the installation used flexible (BX) or rigid
(EMT) conduit, an alternate conduit fitting can
be used. See Installation Note and Figure 15
below.
INSTALLATION NOTE: ALTERNATE
CONDUIT FITTINGS
Some cases require alternate fittings, many of
which are available through most electrical sup-
pliers. Simply remove the existing fitting
by unscrewing the two hold-down screws, expos-
ing a 7/8-inch (22 mm) knockout hole.Then
install the alternate fitting. Make sure to always
use a listed fitting in accordance with your area’s
building codes and regulations.
INSTALLATION NOTE: CEILING TILE
CAUTION
When mounting the units into 2'˘2' or 2'˘4' sus-
pended ceiling tiles, DO NOT install them in
lightweight fibreglass-type tiles without full sec-
ondary support for the speaker as noted in Step
6. Such tiles are not designed to support any
substantial weight. Speaker installation without
secondary support will cause the tile to sag and
distort, even with the tile bridge installed.The
secondary support line at the rear of the speak-
er MUST be strung taut in these situations and
MUST remove most of the force of the speaker
on the tile to ensure that the speaker does not
deform the tile.
Step 5: Mount the Speaker Into
the Ceiling (Figure 16)
Push the speaker into the ceiling hole until the
front baffle rim is flush
with the ceiling.
Tighten the mounting
tabs by turning the
screw clockwise until
the speaker is secure.
Please note that the
first clockwise quarter-
turn rotates the attach-
ment tabs outward.The
remaining turns tighten
the tabs down onto the
back of the ceiling sur-
face (see Figure 17).
7 EVID™ Ceiling Series Installation and Operation Manual
Installation and Wiring
Figure 14: Secure cable through fitting
Figure 15: Alternate conduit fitting
Figure 16: Mount
speaker into ceiling
Figure 17: Tighten mounting tabs