5 power-limited wiring requirements, Power-limited wiring requirements – Fire-Lite MS-10UD Series FACP User Manual

Page 35

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MS-5UD & MS-10UD Series Manual — P/N 52626:C4 3/7/2014

35

Power-limited Wiring Requirements

Installation

2.5 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” (6.35 mm) away from any nonpower-lim-
ited 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 is illus-
trated below.

J13

Figure 2.11 Typical UL Power-limited Wiring Requirements

Power-limited Circuits

(Class 2)

Power-limited

Circuits

(Class 2)

Nonpower-
limited
Circuit

AC Power

CAC-5X

10u

dU

L

w

ir

e2

.w

m

f

4XTMF

CAC-5X

earth

ground

Nonpower-
limited
Circuit

Power-limited

Circuit

(Class 2)

MS-10UD FACP

Power-limited Circuits (Class 2)

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