SYSTEM SENSOR Remote Test Station, Sngl Gang Box, 105 mA

okay in this video I'm gonna show you guys how to connect multiple four wire conventional duct smoke detectors off one adjustable monitor module and this demonstration I'll be using the system sensor 2d 4120 and if you're wondering why it's white this is actually a deep 40 120 W which is used for weatherproof or outdoor applications so with that said you can see if the top left-hand corner we're using an adjustable monitor module from notifier like I said system Center for Latin minstrel duck smoke detectors so now the common thing that people make a mistake with this usually is when they're running to the wires for these low just run two wires one for the IDC Class B zone and another pair of wires for the 24 volts when in reality when doing this properly you actually need three pairs of wires between all of your duck smoke detectors and this demonstration we'll be using to dr. tectors