Table of Contents
Advertisement
NCA-2 (UL 864 10th), NCA (UL 8th)
Notes
1.
Recommended wire is 12 AWG (3.25mm
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.
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.
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:
UDACT-2 — Instruction Manual P/N 54089:B3 10/29/2019
2
) to 18 AWG (0.75mm
To Phone Lines
(supervised)
Figure A.8 UDACT-2 and NCA in Separate Cabinets
2
), twisted pair, shielded cable. Connect only one end of shield: a)
Wires in
conduit
Solid Earth Ground
Connection
Panel-Specific Information
NCA
41
Hide quick links:
Advertisement
Table of Contents
