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7. Reinforce the EPO box with 6 mm (¼ in)
screws in the corner mounting holes.
Note: The top two 6 mm (¼ in)
mounting holes may be blocked by
some junction boxes. In this instance,
use only the bottom two 6 mm (¼ in)
mounting holes for reinforcement.
Connect Devices to the EPO Box
Connect APC devices to terminals 1–8. Connect an auxiliary device to terminal 9. Connect only one
0.10–0.75 mm² (24–18 AWG) wire pair to each terminal block.
1. Attach EPO circuits to each device according
to the specic instructions for that device. Use
the Normally Open (NO) contact option.
2. Run a suitable 0.10–0.75 mm² (24–18 AWG)
wire from the devices to terminals 1–8 on the
EPO box terminal block. If you are using
conduits, run the wires through the conduits to
the terminal(s). Make the connections to the
terminal block in numerical order (terminal 1,
and then terminal 2, etc.).
3. Run a suitable 0.25–0.10 mm² (22–18 AWG)
wire from the contact closure points for any
auxiliary device to terminal 9 on the EPO box
terminal block. If you are using conduits, run
the wires through the conduits to the terminal.
Note: The auxiliary circuit is rated
1A at 48 VDC/240 VAC.
4. If necessary, secure the wires inside the box
using the releasable wire ties (provided).
990–1611C-001
Emergency Power Off System Installation and Operation
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