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kkhalifa
Shall the smoke detectors in multi-family building ( individual units) to be connected to the building fire alarm system? if yes or no what's is the code section?
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tom.brenner
Looking for interpretation of Article 430.130(A)(1) and (2) with respect to Branch-Circuit Short-Circuit and Ground Fault Protective device rating for single motor applications when a VFD is installed. The article refers back to 430.52 which really addresses manual motor controller and overload relay configurations, limiting the maximum value to
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zara.mosavat
Does Fire Sprinkler riser's water flow switch initiate elevator emergency recall? In NFPA 72 "Table A.14.6.2.4" Typical Input/Output Matrix" shows water flow switch on first or second floor initiate elevator emergency recall but this table is located on appendix A and I am not able to find the support code section.    Note: Appendix
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jeff.l.tjernagel
NFPA 410 section 7.4.3.1 requires "To reduce the hazards associated with static electricity, aircraft shall be electrically grounded when parked in aircraft hangars."   Boeing Aircraft are statically grounded thru the aircraft tires as required by specification. I would assume this is the same for Airbus model aircraft. If the hangar
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trammf
Dear sir/Madam, Subject: Emergency lighting fixtures I have a Question for NFPA to clarify :  1. Are all lighting fixtures (luminaries) used for emergency lighting required to be listed? 2. Does that include fixtures that are part of the normal illumination fixtures but will serve as emergency lighting (Convertibles
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