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Appendix C:
Commercial Fire Wiring Examples
Connecting Speakers for Fire Protective Signaling
Units
Connect UL-listed speakers for fire protective singling units
as shown in Figure C1.
V O I C E
S I R E N
9
Listed 4 OHM
Speaker for
Fire Protective
Signaling Unit
NOTE:
Use in-and-out (daisy-chain) multiple device
wiring methods only. Impedance must be
between 4 to 8 OHMS.
Figure C1. Connecting UL-Listed Speakers.
Connecting Horns and Strobes
Connect UL-listed DC horns, strobes, and horn/strobe com-
binations as shown in Figure C2.
Advent Commercial Fire System
V O I C E
S I R E N
1 0
220 MF, 35V
Capacitor
(Non-Polarized)
17-101 (Locate
at Device)
S
2.0K OHM
EOL Resistor
49-467 or 49-454
(Locate at
Last Device)
For Supplementary Use Only
+ 1 2
I N T .
V D C
B E L L
4
5
Listed DC
Horn/Strobe(s)
NOTE:
For supplementary use only.
Figure C2. Connecting UL-Listed Horns and Strobes to
the Panel
Connecting Hardwire Full Pulls
Connect one or more hardwire fire pulls as shown in
Figure C3.
Z O N E
C O M
Z O N E 1
Figure C3. Connecting Hardwire Fire Pulls
Connecting Water Flow Detection Devices.
Connect one or more water flow detection devices as shown
in Figure C4.
Ext. Siren/Horn
R T N
O U T
I N
6
7
8
–
+
H
+
–
H
2.0K OHM
EOL Resistor
(at last device)
49-467 or 49-454
2 Conductor
8 5 7 3 2 7 7 A . D S F
18-Gauge Solid Wire
109
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