Installation Power-Limited Wiring Requirements
26 HPFF8(E)/HPFF8CM(E) NAC Expander — P/N 53499:B4 10/1/2018
2.6.2 Power-Limited Wiring, FACP Cabinet
Figures 2.18 and 2.19 show the most complicated wiring example — a four-row cabinet. Cabinets with fewer rows follow the same wir-
ing requirements.
f
f
8
c
a
b
d
w
r
i
n
g
.
w
m
f
Input Circuits and
SLC: Power-limited
Output circuits and
Auxiliary Output:
Power-limited
Battery connections:
Nonpower-limited
AC Power:
Non-power-limited.
(See Figure 2.19 for
wiring detail.)
Relay Contacts:
Nonpower-limited
Knockout for
Nonpower-limited wiring
Knockout for
Power-limited wiring
Knockout for
Power-limited wiring
Knockout for
Nonpower-limited wiring
Figure 2.18 Power-Limited Wiring Example: EQBB-D4
NOTE: Maintain vertical separation where power-limited and nonpower-limited circuits appear to “cross” (e.g. Relay Contacts and AC
Power).