• Egress door swing

    I am being told by a local code enforcement inspector that I need egress doors which swing out because it is a fourplex.  I do not have an enclosed stairway and the occupant capacity is far less than 50.  Is...
    last modified by b.beil
  • Paintball Uses

    We have potential new tenant going into a sprinklered building.  It's use is an Indoor Paintball Gaming Field.  How can I protect my sprinkler heads, or don't I ??
    created by rpartika
  • GFCI Below Sinks - why not?

    Anyone know why GFCIs are not required for equipment located below sinks such as in-sink waste disposers and trash compactors? I don't see a requirement in 210.8 and other sections such as 422.16(B)(1) and (2). Was cu...
    last modified by carl.mister
  • Rural Firefighters Delivering Agricultural Safety and Health (RF-DASH)

    Open video

    Kyle Koshalek
    last modified by Kyle Koshalek
  • Fire extinguisher - placement in vehicles

    Good day, Anyone knows if a fire extinguisher unit, installed in vehicles (in appropriate brackets), shall be installed in upright position ... or could it be installed horizontally?  I checked in NFPA 10, b...
    last modified by pothier.celine
  • I have the most recent iPhone and an app for measuring dB levels. Why can’t I use it for evaluations and inspections?

      NFPA 72®, National Fire Alarm & Signaling Code®, requires that “…the performance, location, and mounting of notification appliances used to initiate or direct evacuation or reloc...
    last modified by rroux
  • Fire rating of Mech Rms

    Is there any NFPA document that relates to, or requires fire rating of mech rooms, i.e. rated partitions & doors?
    last modified by jsworks
  • Operating Generators and NFPA-70E

    I am being challenged by our work group regarding working on a HV generator set (11kV) that is in close proximity to other operating generators at 11kV within a powerstation.  From NFPA-70E Table 130.7(C)(15)(a) ...
    last modified by alan.peet
  • Small places and corridors

    I try to found in any NFPA book and internet what is the minimum size of corridor need fire alarm system 19' x 3'-6" (sample). same in Storage Room size 6'-10" x 11'-7".   And the waste room in each floor, that...
    last modified by felipemartinez1956
  • Wire Color for Remain Energized 24VDC Conductors.

    NFPA79 specifies: The use of other colors for the following applications shall be as follows: (1) WHITE with BLUE stripe for grounded (current-carrying) dc circuit conductor (2) WHITE with ORANGE stripe ...
    last modified by borisg
  • RF-DASH-Success-Story-2019.pdf

    emergency response training farm safety rural firefighters connection emergency medical services
    Kyle Koshalek
    last modified by Kyle Koshalek
  • ESFR Sprinkler

    Hi, Working on cargo terminal, Tree type sprinkler arrangement is it acceptable for ESFR sprinklers as per NFPA?   If not could you please recommend for Grid or loop system to ESFR sprinklers?   Thanks in...
    last modified by nirmalraj.muthu
  • Drain and Test Connection Design

    Dear All,   I would like to ask for advice regarding drain and test connection. According to point and figure A., test connection should be above waterflow switch, does the drain also like...
    last modified by sebastian.nowak
  • Do not need smoke detectors

    I remember I saw one NFPA code explain according to the square feet in storage room we do not need smoke detector, can somebody remember that code. 
    last modified by felipemartinez1956
  • Riser should have alarm check valve or can it be check valve?

    Dear All, Good morning,   I would like to ask, if I have a riser, can the alarm check valve be replaced by the check valve? In link below there is a listed valve which contractor want to put on the riser in re...
    last modified by sebastian.nowak
  • Per NFPA 70E 130.2(B) Energized Work Permit if you deenergize the breaker in a bucket and the only power left is the incoming from the stabs to the top of the breaker is the work permit required?

    Also if you have multiple VFD's in one cabinet and you are changing one but the rest are powered up would a wok permit be required?
    last modified by kris.mcquiggan
  • Sprinkler looped system

    Hi, Please refer below snap and please suggest what is the maximum number of sprinkler is acceptable in a branch in looped system as per NFPA13?
    created by nirmalraj.muthu
  • Bulk oil storage tank

    Hi, For outdoor above ground diesel storage tank with 2.5m dia and 4.3 long horizontal tank (two numbers )requires a fixed fire protection system? like water spray system?.   Thanks in advance   Regards, ...
    last modified by nirmalraj.muthu
  • TVSS how to install

    A TVSS should be install. On the Load side or line side of the breaker.
    last modified by jrendon6861
  • Jet Fuel Tank Setbacks

    With regard to the NFPA 30 setback requirements for Jet fuel storage tanks, if there are multiple tanks of different volumes with connecting piping and filters, do the setbacks refer to the size of the closest tank on...
    created by mhodges