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24 VDC AUX POWER

2K views 5 replies 4 participants last post by  eddy current 
#1 ·
Hi,

Are you allowed to double up wires on the 24 VDC Auxiliary Power in a Fire Alarm panel?

Will this pass verification?

Thanks!
 
#4 ·
There is an ice cube relay already powered by the FA panel for the 120VAC dampers and will need another source of 24VDC AUX PWR for the sounder base for the smoke devices.

My question is if you have to connect the aux power on the load side (via relay A1 & A2 coils) or can you directly wire in the aux power and have 2 wires in each terminal of the FA Panel to feed 2 different devices in parallel?

Thanks.
 
#5 ·
Not familiar with Canadian codes, but sounder bases are notification appliances and powered from the bell/horn/chime circuit in the panel (or bell booster). Wiring and supervision would follow the rules for any bell circuit. So no paralleling unless specifically allowed by the manufacturer.
 
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