Fire alarm bell 14/2 isolated

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JJWalecka

JJWalecka

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New England
If you could look at the image you will see the EMT feeding 120 to the fire alarm panel goes through the trough.

My question is the 14/2 that goes out to feed the "bell"....does that also need to be isolated from all the fire alarm cables in the trough. Thanks
 

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If the fire alarm system is a power limited system, (not even sure if they make non-power limited fire alarm systems anymore, then the 120 volt bell circuit will need to be isolated from the power limited fire alarm cables. 760.136.
 
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