Notification Appliances—E Series Speakers and Strobe Speakers 15
Figure 4: Flush Mounting (Option B)
Table 7: Mounting Option B Conductor Limitations
Extension Ring Depth
AWG 18
AWG 16
AWG 14
AWG 12
1-1/2 Inches
8
8
8
4
2-1/8 Inches
8
8
8
8
Mounting Option B
D B B-R
4 inch S qu are
x 2-1/8 inch
D eep B ackbox
s tr_ b
S tandard 4 inch Sq uare
x 1-1/2 inch
E xtension R ing
S trob e/E -90 S peaker
(2) N o. 8-32 Screws