• Avgas and Jet-A fuel labeling

    NFPA rating guide   Greetings all, I have been having a tough time trying to locate the Diamond numbering for Avgas and Jet A fuels. Can someone please point me in the right direction or show me what the diamon...
    last modified by rgrothe
  • Outdoor Storage of Pool Chemicals 

    I am doing research on hazardous materials and writing of ordinances.  I find that most cities do not permit pool construction/electrical supply wholesale businesses selling pool chemicals on the side to store hu...
    last modified by plousmyth
  • Threaded pipe and fittings

    Is schedule 10 piping allowed to be threaded? The code 'shall' and the annex 'should' seem to be in conflict as you can see below In the 2016 NFPA 13 it states : Threaded Pipe and Fittings.* Steel pipe with...
    last modified by emil.ohler
  • Compliant EMT alternatives when connecting residential rooftop solar arrays?

    Hello Xchange Members,   I work in residential solar.  When DC conductors are run on the roof between solar arrays, the conductors are usually routed in EMT.  Does the NEC allow for other types of cond...
    last modified by duncan.cleminshaw
  • Abandonment of Fill and Vent for Inside Fuel Storage Tanks

    NFPA 31 - 7.12  Abandonment and Removal from Service of Tanks and Related Equipment states "...if a tank and it's related piping are abandoned for whatever reason...". My issue is with the word "and".  ...
    last modified by 1075tech
  • my question is in reference to section 312 vehicle impact.

    do these standards apply to diesel storage tanks as well?
  • Question on interpretation of NFPA 45 - lab waste limits

    Hello, I have an interpretation question about NFPA 45, particularly about NFPA 45 (2015) section 8.3.4 that discusses waste stored/generated in the lab. [8.3.4 Liquid waste containers stored in laboratory work areas ...
    last modified by james.darrow
  • NFPA 72-2013 (SIG-???)

    In NFPA 72-2013 there are mentions of (SIG-ECS, - IDS, -FUN, -SSS, -PRS) where do I find their descriptions?
    last modified by sdube
  • residential outlets

    Can someone tell me,  why are home depot and lowes allowed to sell outlets that aren't TR? i just added them to my addition and inspector says i have to change them all. My wife has RA(rheumatoid arthritis) and...
    last modified by jimhillhome
  • New construction fire extinguishers?

    Looking for the appropriate code. I have a multi level building that is under construction currently. On walk through there are no fire extinguishers anywhere in this building. Any help is appreciated. Thanks
    last modified by mpetrie
  • 2015 NFPA 99 Hose Concealment

    I have a few OR's being renovated and they are installing ceiling mounted medical gas booms.  The manufacturer has supplied a steel box for the pipe line to terminate in with DISS outlets.  This box is above...
    Eric Victor
    last modified by Eric Victor
  • Install of 1600 gallon AST diesel fuel storage

    Greg Baker Fire Inspector Orleans Fire Department Massachusetts   I have recently received an application for an AST 1600 gallons of diesel fuel for a generator. My question is what is the maximum allowed AST sto...
    last modified by gbaker
  • Requirements for electronic record keeping of Fire Extinguisher Inspections

    What is the requirements for electronic record keeping of Fire Extinguisher Inspections? A little more detail into what i'm asking. Currently we are doing our regular monthly fire extinguisher inspections as normal. ...
    last modified by mattnelson521
  • NFPA 1192 certification

    How does a company get their product certified in regards to the NFPA 1192 standard?
    last modified by robertd
  • Sprinkler requirements in small telecommuciation closet

    Is it required to install a sprinkler head in a small telecommunication closet (not located in a residential building)?  Is there a minimum size to be considered according to NFPA 13?   Aside of residential...
    last modified by pothier.celine
  • Is there a code that allows ceiling mounted HCFC Fire Extingushers as substitute for an Anlutomatic Fire Sprinlkler?

    In Critical Rooms such as hub rooms and small server rooms, a minimum of Automatic Sprinkler System or Gaseuous type Fire Suppression are required. Is there a code that allows a ceiling mounted HCFC Fire extinguisher ...
    last modified by doulos8jrt
  • Is this true

    I am a electrical student at EC Goodwin Technical High School in New Britain and I need some clarification on the 2017 code book Article 210.12 (A)(2) it sounds like we need a arc fault circuit breaker plus a arc faul...
    last modified by michaelspark18
  • NFPA-13

    Hi, I have to attend a technical conference please tell me the main point of it.   Thanks: 
    last modified by abrar.b
  • Sprinkler System Requirement (Duval County, FL)

    Hello, I am looking to lease a building in Duval County, FL. This building does not have an existing Fire Sprinkler System. Is this a requirement in Florida? What is the code? Do insurance companies require a system?
    last modified by strileckis
  • Emergency Egress Lighting

    Is there any code requirement to inspect path of egress light level on an annual basis?  With LED being used more often and known to fade over time, if there is not, shouldn't there be?  industrial hazards ...
    last modified by wade.johnson@flex.com