Electro-Voice EVID Mount the Speaker Into the Ceiling Figure, Secure cable through fitting

Installation and Wiring

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

Figure 14: Secure cable through fitting

(EMT) conduit, an alternate conduit fitting can be used. See Installation Note and Figure 15 below.

Figure 15: Alternate conduit fitting

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-
Figure 16:	Mount	face (see Figure 17).

speaker into ceiling

Figure 17: Tighten mounting tabs

EVID™ Ceiling Series Installation and Operation Manual 7