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Power for Panel

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secure15

Member
Here's a funny one.
Town of Huntington, NY can waive the installation of 120V interconnected smoke detectors if a listed control panel with fire capability is installed in a residential occupancy. The kick is the building inspector says that Residential Code of NY requires tha system be powered by a non- unpluggable Transformer or 120V! Any one see that in NFPA 72 or 70?
There was some discussion about a guard around a transformer- to prevent
unwarranted removal.
My take is #1 its FPL wiring
#2 FPL listed transformer or Class 3 is acceptable
( he wants a permanently wired transformer- like a bell tranny!)
My reply was most Manufacturers submit the transformer(plug-in)AND
Control Panel for listing by UL- I violate that by substituting a tranny of
non-listed origin and open up a liability issue!
Comments and Replys appreciated!
Mike Sokoly
MES Security Systems
secure15@optonline.net
 
P

pierre

Senior Member
Location
Westchester County, New York
It is not that you are capable of waiving the smoke requirement, the code requires "hard wired and interconnected". The alarm system is still hard wired, just not line voltage.

The transformer that supplies the alarm system can be a plug in type, it has to have a means to make it so it will not be tampered with and cannot fall out of the receptacle.
 
S

secure15

Member
Power supply

Power supply

"Waive" me be accurate!
His claim to me is that he doesn't follow NFPA 72 or 70 just Resi Code of NYS!
When I asked if his Town adopted these codes he says "I don't know -I don't have copies" Great Inspector!
If I'm reading correctly code allows the captive screw for transformer mounting to provide the means to secure.
I believe he's misinterpretting definitions: Fire Alam System vs Smoke Alarm vs Smoke Detector.
 
S

secure15

Member
Power Supply

Power Supply

The transformer that supplies the alarm system can be a plug in type, it has to have a means to make it so it will not be tampered with and cannot fall out of the receptacle.
If possible, can you cite Code reference?
Mike Sokoly
MES Security Systems
secure15@optonline.net
NYS Dept. of State lic# 12000087764
NYS Dpept. of State Instructor I-63
NY Education Dept. Certified Proprietary School INstructor
 
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