UDACT-2 — Instruction Manual P/N 54089:B3 10/29/2019 41
NCA-2 (UL 864 10th), NCA (UL 8th) Panel-Specific Information
Notes
1. Recommended wire is 12 AWG (3.25mm
2
) to 18 AWG (0.75mm
2
), twisted pair, shielded cable. Connect only one end of shield: a)
shield may be connected to cabinet (earth ground) at fire alarm panel, or b) shield may be connected to TB1 Terminal 5 (Shield) at
UDACT-2 as shown in Figure A.8.
2. Conduit is required for external wire runs. Consult local building codes.
3. Refer to "Specifications" on page 8 for power requirements.
Below is a remote installation of a UDACT-2 with an NCA:
NOTE: The shield end that is not connected should be insulated to prevent accidental grounding. Do not connect both ends of
shield under any circumstance since a ground fault may result.
To Phone Lines
(supervised)
Solid Earth Ground
Connection
NCA
udact2-nca-seprtcabsa.wmf
Wires in
conduit
Figure A.8 UDACT-2 and NCA in Separate Cabinets
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