Ul Power-Limited Wiring Requirements - Honeywell Fire-Lite Alarms MS-9600 Manual

UL Power-limited Wiring Requirements

2.5 UL Power-limited Wiring Requirements
MS-9600 PN 51335:E1 2/14/08
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-limited circuit wiring and nonpower-limited circuit wiring must
enter and exit the cabinet through different knockouts and/or conduits. A typical wiring
diagram for the MS-9600 is shown below.
4XTMF
Figure 2.9 Typical UL Power-limited Wiring Requirements
Ferrite Bead Installation at Terminal Inside Cabinet
Per FCC requirements, ferrite beads are required on the wiring for the DC
Nonresettable Power Outputs, NACs, TERM EIA-485 and SLC Circuit.
Wrap wire around ferrite bead as shown
SLC-2
UDACT-F
Installation
Close ferrite bead.
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