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MS-9200UDLS PN 52750:E1 01/27/09 53
2.7 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” (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-9200UDLS is shown below.
Figure 2.11 Typical UL Power-limited Wiring Requirements
Power-limited Circuits (Class 2)
Power-limited Circuits (Class 2)
Nonpower-limited Circuits
Power-limited Circuits
(Class 2)
Nonpower-limited
Circuits
AC Power
Grounding Stud
92udulpw.cdr
Nonpower-limited Circuits
To Batteries
maintain minimum 0.25”
between power-limited
and nonpower-limited
circuits wiring
Ground Strap