Fire-Lite 411UDAC Fire Alarm Communicator - Manual (Page 29)

411UDAC Manual — P/N 51073:E 9/20/2013 29
UL Power-limited Wiring Requirements Installation
2.8 UL Power-limited Wiring Requirements
Power-limited and nonpower-limited circuit wiring must remain separated in the cabinet. All
power-limited circuit wiring must remain at least 0.25” away from any nonpower-limited circuit
wiring. Furthermore, all power-limited and nonpower-limited circuit wiring must enter and exit the
cabinet through different knockouts and/or conduits. A typical wiring diagram for the 411UDAC is
shown below.
CAUTION!
HIGH VOLTAGE
CAUTIO
N!
GND FAULT
Figure 2.11 Typical UL Power-limited Wiring Diagram
AC Power
Nonpower-limited
Nonpower-limited Circuits
Power-limited Circuits
41
1a
ul
pw
2.
w
m
f
Note: Relay connections may be power-limited or nonpower-
limited, provided that 0.25" spacing is maintained between
conductors of power-limited and nonpower-limited circuits.
Nonpower-limited Circuits