InstallationCopyright © 2014 Linear LLC 21Wire Size and LengthTo ensure proper operation, do NOT exceed the followingmaximum length for the wire size installed:TIP: To ensure that the appropriate wire size and length isinstalled, measure the voltage between the powerconnection terminals at the back of the Control Panel.The voltage measured must not fall below 11 volts DC orthe Control Panel may display nuisance “AC Power Loss”messages and send AC Loss Reports to the CentralStation. See "Q52: AC Loss Reports to CS (0‐1)" on page61.NOTE: In the United States, wiring routed inside walls,ceilings, and floors must comply with requirements ofANSI/NFPA 70: National Electrical Code (NEC) and localbuilding codes. For wiring from the output of the 2GIGClass II Power Supply, wiring rated CL2, CL2X, CL2R, orPLTC is recommended to satisfy these requirements. Ifthis wiring is installed in an air plenum (space used forenvironmental air exchange) it must be rated CL2P(plenum‐rated).Figure 17 Power Supply WiringWire Size Maximum Length22 AWG 55 ft (16.8 m)20 AWG 85 ft (25.9 m)22 AWG 2‐pairs(19 AWG equivalent)110 ft (33.5 m)18 AWG 135 ft (41.1 m)A Left Terminal 14 VDC (+) C 14 VDC (+) Terminal 1B Right Terminal 14 VDC (‐) D 14 VDC (‐) Terminal 2
