• NFPA 13 (2013) 8.17.4.6.2 Interpretation

    Hello Dear Community,   I have a question with regards to the following interpretation of a Code in NFPA 13 - 2013 Edition:   8.17.4.6.2 Retroactive Installation. When backflow prevention devices are to be...
    jamila
    last modified by jamila
  • Fire Collars

    Fire Collars At what size pipe would a fire collar be required?  I cannot find a code reference in LSC chapter 8 or IFC.  I did find some commentary from the ICC but it only stated that anything greater tha...
    pseabolt
    last modified by pseabolt
  • NEC 210.71

    For an existing conference room where the Architect required adding an outlet, the plan check person has required outlets as per this article, which requires quantity as in a residence.  In addition, it requires ...
    j_w_hines
    last modified by j_w_hines
  • Underground Piping and Sprinkler Piping

    I would like to check with regards to the underground, above ground and sprinkler piping to be used.   Is there a requirements to use Galvanized piping for fire ring main hydrant system as per NFPA guide lines? A...
    chong
    created by chong
  • FIRE WATER RELIABILITY

    I have a project in an Artic environment where the Owner has a large pond they would like to use for their fire water source. Question regarding fire water reliability evaluation per NFPA 11, A4.2.1.1, recycled water...
    richard.harvey
    last modified by richard.harvey
  • Commodity Classification (Class IV vs. Group A) NFPA 13

    I have a storage arrangement that has been difficult to classify. Many of my colleagues have drawn different conclusions for a variety of reasons.   The storage arrangement in question is raw potatoes in pl...
    ian.power
    last modified by ian.power
  • 2017 NEC 680.7

    Does NEC 680.7 apply to factory and field installed lugs, the way I read it is the first sentence would apply to factory lugs and the second sentence would apply to field installed lugs. 
    mdemps3
    last modified by mdemps3
  • Jefferson County Fire Illustrates What’s at Stake with Home Fire Prevention

    Each year as summer turns to fall, we see an uptick in home fires from increased heating device use, cooking, and other everyday activities. We know more about how to protect ourselves from fire than ever, but there a...
    cthompson
    last modified by cthompson
  • 480 VAC VFD Power - Do I need an Enclosure & Disconnect?

    Hi,   I work for an equipment manufacturer.  For a machine we are building, I have a VFD for an Exhaust Blower that requires 480 VAC 3-phase 6 amps.  The VFD is designed so that it can be mounted on a ...
    pwk@kraemerkoating.com
    last modified by pwk@kraemerkoating.com
  • Generator back up

    Hello,  The backup generator for one of the data centers in my area has "thrown a rod" as reported by the owner.  They do not have a timeline just yet for getting it replaced.  This generator is the ba...
    gonzalesj
    last modified by gonzalesj
  • Side-by-Side Burn in Hartsville, TN Demonstrates How Sprinklers Can Save Lives and Limit Damage to Homes

    County commissioners, firefighters, and community members in Hartsville, Tennessee were able to see firsthand last week the value of residential fire sprinklers when representatives from the National Fire Sprinkler As...
    lisamariesinatra
    last modified by lisamariesinatra
  • Question regarding generator placement for NFPA 37

    Hi - I am looking to install a whole home standby generator (Cummins RS22) and I've read the forums here about Section 4.1.4 of NFPA 37, but there are a couple of items that are not clear to me.  The text st...
    bruehlt
    last modified by bruehlt
  • AFCI for Dishwasher ?

    Pa started following the 2014 NEC so my questions is 1) 210.12(A) - does a dishwasher for a dwelling require AFCI protection if on a dedicated circuit (I know it needs GFCI protection) 2) same question, how about a ...
    gk1226
    last modified by gk1226
  • NFPA 13, 2010 vs 2013 shared support structures

    NFPA 13, 2013 version has additional provisions to support sprinkler piping from shared supports under 9.1. NFPA 13, 2010 version does NOT have these additional sections and is more general. Was it / is the intent of ...
    mweseloh
    last modified by mweseloh
  • definition of fire door

    I was curious how a Fire door is defined?
    nosaj76
    last modified by nosaj76
  • NFPA CEO & President to Kick Off Siemens' Virtual Conference on Safety in the Digital Age

      NFPA President & CEO Jim Pauley will deliver the virtual keynote address to kick off Siemen's Smart Infrastructure Summit & Expo on Thursday, October 1.   In his presentation, Transforming Your F...
    cathylongley
    created by cathylongley
  • Download “Fire Prevention Happens All Year Long” Tips to Practice Cooking Safety No Matter the Season

    Fire Prevention Week provides a great opportunity to remind communities about the importance of fire prevention at home. This year’s Fire Prevention Week theme, “Serve Up Fire Safety in the Kitchen,”...
    cthompson
    last modified by cthompson
  • NFPA Releases First Two Videos of a New Campaign Series Dedicated to the Importance of Electrical Safety in the Workplace and at Home

    This week NFPA and the Phoenix Society for Burn Survivors announced the rollout of the first two video interviews of a new campaign series entitled, Faces of Fire/Electrical, which features personal stories of people ...
    lisamariesinatra
    last modified by lisamariesinatra
  • As students attend school remotely this fall, NFPA urges added caution around using and charging laptops and other electrical devices at home

      With many students returning to school remotely this fall, NFPA is urging added caution when using and charging laptops and other digital devices at home. Many households may have more people using and chargin...
    susanmckelvey
    last modified by susanmckelvey
  • emergency ATS connected load side of optional ATS

    I am reviewing plans that specify an emergency system and a optional system, the generator has 2 breakers one for each system, but the optional system ATS is specified to be installed to re-feed the entire existing 80...
    mdemps3
    last modified by mdemps3