12
Part No. 6-847681-00 Rev. D
Wiring Installation
NOTE:
For sensor, switch, and network wiring, determine
the circuit length and then select the proper wire
size from the chart below.
Circuit Length (ft) Copper Wire (AWG)
0 to 2,000 18
2000 to 3,000 16
3,000 to 5,000 14
•Per NFPA 99, medical gas alarms shall be
powered by the life safety branch of the
emergency power system.
•Per NFPA 99, all wiring shall be protected from
physical damage by raceways or conduit in
accordance with NFPA 70, National Electrical
Code.
•Wiring runs should be made with color-coded
wire. Record the color, signal and source of
the signal for each wiring lead to aid in
connection of the alarm finish components
•When routing wiring inside mounting boxes,
protect wire covering from damage.
IMPORTANT:
To reduce the possibility of electromagnetic
interference adversely affecting alarm performance,
follow these guidelines:
•Install alarm wiring in electrical metallic tubing (EMT)
or other metallic conduit.
•Verify end panels are installed on both sides of alarm
panels.
•Verify that covers are present on all junction boxes.
• Avoid installing alarms near radio transmitters.
•Avoid installing alarms near electrical motors or
switchgear.
General Requirements
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