OPTIONAL PROCEDURE: If you prefer, you may make the wir- ing connections inside the back box before installing the back box in the ceiling.
To do this, loosen the thumbscrew inside the back box and open the hinged door (refer to Figure 8). Bring the wiring into the back box through the conduit fitting. Follow the steps in Section 3.4, “Back Box Connections,” and then return to this section.
CAUTION: The ceiling must be capable of sup- porting 16 pounds (7.3 kg) of weight. If the ceil- ing will not support this weight, provide additional reinforcement. Also, a suitable safety chain must be attached to the back box to support up to 16 pounds (7.3 kg) in the event of a ceiling failure.
3.3BACK BOX INSTALLATION
1.Suspended Ceiling Only (for hard ceiling, go to step 2)
The clips for the ceiling tile are supplied with the back box. Attach the clip to the
2.Install a safety chain or cable (not supplied) that will support up to 16 pounds (7.3 kg). Fasten one end to a support structure in the ceiling. Fasten the other end to the safety chain bracket (refer to Figure 3) to prevent the back box from falling.
3.Refer to Figure 8. Loosen the thumbscrew inside the back box and open the hinged door.
4.Bring the wiring into the back box through the conduit fitting. If the wiring is inside flexible conduit, connect the conduit to the fitting on the back box.
5.Hard Ceiling Only - Refer to Figure 4. Compress the spring clips on the back box with your hands and push the back box through the hole in the ceiling. The spring clips will spring out when they clear the ceiling. Refer to Figure 5.Tighten the screws until the spring clips hold the back box firmly to the ceiling.You will hear a clicking noise when the screws are tight.
Proceed to Section 3.4, BACK BOX CONNECTIONS.
THUMBSCREW
Figure 8. Interconnect Door
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