• Where can I find an article about identifying the FDC so it can be accessible et visible from the street ?

    NFPA 13 ask for a sign on the FDC so you know what it's connecting to (standpipe, sprinkler, pump, etc.) But what standard or code refers to "identifying the FDC so it can be visible from the street" ?
    caserne17
    last modified by caserne17
  • Classified Bitumen tank at 150/200 Celcius degree

    I have a bitumen tank with operating temperature/ design temperature are 150/200 Celcius degree. The flash point of bitumen is 220 celcius degree. In this case, bitumen can be considered as liquid class IIIB, isn't it?
    dotienhanh
    last modified by dotienhanh
  • What is code for underwater 120V lighting in a swimming pool. Can line be spliced within niche when replacing light?

    Have a situation where trying to replace underwater light fixtures (120V 400W) and are unable to pull old line out of conduit to replace with new line. Electrician on site wants to splice line. Is that even approved u...
    tetrajack
    created by tetrajack
  • when relocating heads do they need to be new?

    I have a contractor that is relocating a few heads and adding new, here is where I think is a sketchy line is drawn and need your help. He relocated the heads but did not replace with NEW, he stated he did not remove ...
    kvonoesen
    created by kvonoesen
  • Exposed to energized parts within a Panelboard

    Recently a manufacturer  procured new IP-20 style panel-boards.   These new panel-boards are designed to eliminate/reduce(???) arc flash exposure to personnel working within the energized panels. &...
    brianstover
    last modified by brianstover
  • do you have Arabic copy of the NFPA 1912?

    Greeting  My name is Faisal Refaee. I am an officer in Saudi Civil Defense. Saudi Civil Defense intends to refurbish their Fire apparatus and vehicles. we need NFPA 1912 for this matter. in case there is no...
    faisal-refaee
    last modified by faisal-refaee
  • Black thank connections

    Bought 2017 Retreat by Keystone.  I found out that the shower and bathroom water returns are connected to black tank.  Is that in accordance with code
    jeanman.gosselin
    last modified by jeanman.gosselin
  • I am designing a panel for test equipment consisting of motors that will never see full load.  If I size the overcurrent protection to the anticipated load, can I decrease the fla rating on the nameplate?

    Full Load Current based on overcurrent protection
    jminotti
    created by jminotti
  • A spa (light hazard occupancy) is to go into the penthouse lease space of a 12 story luxury apartment building. How much in the way of bath salts, massage oil, designer robes, and soaps can the Spa stock or display before it is considered merchantile (Ord

    A spa (light hazard occupancy) is to go into the penthouse lease space of a 12 story luxury apartment building. How much in the way of bath salts, massage oil, designer robes, and soaps can the Spa stock or display be...
  • Fire hydrant installation

    Fire hydrant installation with use of thrust blocking vs mega lugs. Contractors insist mega lugs replace the need for thrust blocking at hydrant installations. NFPA 24 indicates hydrants shall be set on flat stone or ...
    dlarsen
    created by dlarsen
  • thickness of the pipe

    If I connect a pipe coupling and the pipe (nominal size 40,50) to make a rolling groove can use the ducts of wall thickness of less than 3,4 mm (according Table A.6.3.2, SCHEDULE 10) or I have to go according to 6.3.2...
    durdiak
    created by durdiak
  • Online Standards Availability

    I really don't think NFPA, ASTM and ASHRAE should be so proud of themselves for working so hard to eliminate online availability of standards for construction.  As a member, I often use online sources to search t...
    michael.elia
    created by michael.elia
  • esfr

    I have an existing warehouse with a wet system ESFR k16.8 sprinklers. The high point of the building is 40'71/2" Racks are going in aprox 40% of the building. NFPA table 16.3.3.1 calls for in-rack sprinklers to be in...
    ngrpe3
    created by ngrpe3
  • 240v / 480v plugs

    Is there a PPE requirement for inserting / removing 240 v or 480 v plugs?
    raykurt2008
    last modified by raykurt2008
  • NFPA 1500

     I am confused  by the scope of  NFPA 1500 which notes the following: 1.3 Application. 1.3.1 The requirements of this standard shall be applicable to organizations providing rescue, fire suppression, em...
    kyle.slade
    created by kyle.slade
  • is sprinkler pre-action 5 year obstruction inspection mandatory ?

    is sprinkler pre-action 5 year obstruction inspection mandatory ? if so where do I find the code
    kristof.klunder
    created by kristof.klunder
  • inregards to pipe standards for underground buriel

    the standard for underground buried pipe says that the pipe must be rated for 150 psi is this static pressure or burst pressure. we have a system with 30 psi static and our underground pipe is 125 pi static with a bur...
    johnmorrill
    created by johnmorrill
  • NFPA 59A Section 12.4.2.1 - Gas Detection

    I am working with an LNG facility and trying to understand section 12.4.2.1 of NFPA 59A for gas detection. I would like to know if it is mandatory all the time to report to a remote location (main command post with fi...
    orlando.vargas
    created by orlando.vargas
  • Download a free copy of the 2017 NFPA Standards Directory

    CANT GET THE DOWNLOAD OF THE FREE COPY OF THE 2017 NFPA STANDARDS DIRECTORY
    gmassan
    created by gmassan
  • in a single family home, distribution panel, single pole circuit breaker, is more than one conductor permitted on individual breaker, as in two conductors - one secured into the upper side and one secured into the lower side of screw clamp?

    in a single family home, distribution panel, single pole circuit breaker, is more than one conductor permitted on individual breaker, as in two conductors - one secured into the upper side and one secured into the low...
    frooffice
    last modified by frooffice