Simplex 4010ES - Chapter 3 Trouble Conditions; Introduction

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• Auxiliary power only: In order to connect a circuit using power-limited wiring, the devices
being powered must all be addressable, or a UL Listed EOL relay must be used to supervise
the circuit. Refer to the figure below for wiring directions for the EOL relay.
Figure 12. The EOL Relay
Continued on next page
2098-9739
END OF
LINE RELAY
TO AUX POWER
RED BLACK
LAST IDC
DEVICE
YELLOW
RESISTORIDC
Wiring, Continued
Power-Limited
Guidelines
Note: The 2098-9739 Relay is
used as an example.
Other UL Listed EOL
relays can be used,
depending on the
application.