The June 2015 NFPA Conference & Expo at Chicago’s McCormick Place offers attendees the opportunity to view EXIT signs with directional indicators that are different from those found on EXIT signs in many jurisdictions outside the Chicago area. NFPA 101®, Life Safety Code®, requires EXIT sign directional indicators to be of the chevron shape as… Show more
What is the proper PPE for Meg testing some 2000v rated 600kcmil AL wire? My client is requesting that we wear FR clothing to meg test some feeder wires. I thought FR clothing was only required when there is a potential for an arc flash burn. I don't see the potential for an arc flash, when preforming an insulation test since it is all voltage… Show more
I have a contractor that installed a 13R system in an !-4 Daycare and he used the small room rule in several room. I can not find any reference to the small room rule in 13R, just 13.
Haven't registered for NFPA Xchange yet? It’s easy to do. Follow these instructions to get started. 1) Login here: http://www.nfpa.org/xchange If you do not have an account on nfpa.org, you will first need to create a profile. 2) Once you've completed login you’ll be redirected to Xchange. If this is your first time logging into… Show more
The document below, which has been taken from the Health Care Facilities Code Handbook, identifies many of the technical/substantive changes made to NFPA 99 for the 2015 edition of the code. The "Notes" part of the table explain what the change is and provides some of the reasoning. For a complete list of the changes see the First and Second…
I often see 'ball and socket type swivel covers for 4sq boxes' installed and supporting a variety of enclosures with long conduits or cords between. (I'm referring to usage other than lighting.) The exception to 314.23(F) says one rigid pipe can support a box with a threaded hub. But, the main body of 314.23(F) speaks of support within 18in of the… Show more
Stating a fact should never be wrong. Those covers are typically sold as swivel fixture hanger covers and listed only for the support of fixtures. The NEC changed from the term lighting fixture to luminaire quite a while ago. The manufacturing and listing agencies still use the term fixture. Also, do not confuse support with a securement.…
If there is a complex of buildings not attached to each other, does each building need a fire alarm panel. Will it be sufficient to have just one control panel for 3-4 buildings. Will each building be required to be alarmed separately in case of fire.
Hi Gurdeep: Some jurisdictions may require a separate FACP in each building if each one has a separate building address. However, for code compliance; While installing a single fire alarm system for a multiple building facility offers certain challenges, with careful planning and execution, you will not have a problem complying with the…
NFPA codes and standards are designed to ensure the safety of products, activities or processes. When it comes to lightning protection systems (LPS), the difference between “safe and effective” and “unsafe and ineffective” lightning protection is ultimately related to which guidelines are implemented. Over the years, the Lightning Protection… Show more