18
Mechanical Installation
flush mount the enclosure into the wall. Peel the adhesive cover from the trim ring and stick to
the wall surface around the enclosure, after the wall is finished.
Figure 3 Enclosure dimensions, semi-flush mounting and trim ring
Figure 4 Flush trim detail (from above)
Figure 4 shows a cross-section of the semi-flush mounted enclosure and the trim ring. Make sure to allow
a minimum depth of 1” above the wall surface for proper door opening.
14.5"
4
.
5
"
11"
26"
1.5"
5.4"
20.5"
3.5"
1"
3.5" is the maximum
depth for semi-flush
mounting using the
flush trim ring
1" is the minimum depth
above the wall required for
semi-flush mounting using the
flush trim ring
17"
28.5"
Adhere trim ring to
wall surface around
FA-300 backbox.
PLACE FA-UNIV-TRB TRIM RING OVER BACKBOX
TRIM RING
WALL
WOOD OR
METAL STUD
BACKBOX