Installation
2.4.1 Class B NAC Wiring
2 Class B Notification Appliance Circuits, supervised and power-limited - 4.7 kΩ, ½ watt P/N:71252 UL listed
Notification Appliance Circuit
polarity shown in alarm state
circuit number
2.4.2 Class A NAC Wiring
circuit number
Notification Appliance Circuit
polarity shown in alarm state
26
NAC 1
Polarized Bells
+
Polarized Strobes
+
+
Polarized Horns
NAC1
TB4
Figure 2.7 NAC Class B Wiring
2 Class A Notification Appliance Circuits, supervised and power-limited
NAC 1
+
Polarized Bells
+
Polarized Strobes
Polarized Horns
+
NAC1
TB4
Figure 2.8 NAC Class A Wiring
NAC 2
Polarized Bells
+
Polarized Strobes
+
+
Polarized Horns
Dummy Load all unused circuit
NAC2
TB5
NAC 2
+
Polarized Bells
+
Polarized Strobes
Polarized Horns
+
Dummy Load all unused circuits
NAC2
TB5
ES-50X Series Manual — P/N LS10129-000FL-E:D 4/26/2021
Notification Appliance Circuits