14 Notification Appliances—E Series Speakers and Strobe Speakers
D B B -R
4 in ch S q ua re
x 2 -1 /8 in ch
D ee p B ackb ox
s tr_ A
S tan dard 4 in ch S q uare
x 1 -1 /2 in ch E xte nsio n Rin g
S trob e/E -7 0 S p eake r
(2 ) N o. 8 -3 2 S crew s
Figure 3: Flush Mounting (Option A)
Table 6: Mounting Option A 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