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mike.volkmann
I have a question about storage of lithium batteries.  Our company converts gas powered commercial vehicles into electric, we will possibly have on hand 108, 32kwh, 333v nominal, Lithium Nickel Manganese Cobalt Oxide (LiNiMnCoO2) — NMC batteries.  What if any are the storage requirements with these batteries or any lithium battery
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nicolas.monroy
Has anyone seen a sign like this before at an elevator? Do you know if there is a standard that dictates these requirements? I have looked at NFPA 45 and IFC and so far I have not been able to figure out where this requirement came from?
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michellepassafaro621
 We are wiring a new two-story self storage building in New Jersey. The steel is done and the concrete decks are poured. We went in and installed temporary wiring to approved LED construction lights on each floor as well as GFI temporary receptacles. We used 12/2 NM cable as the temporary wiring method from the panel board to each light
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daniyalahmad119
As per NFPA 14 (7.10.1.1.2) if a standpipe is serving 3 hose reels at a particular floor then we must accommodate 750 gpm thru it. If I have a building that is spread over a large area but a pump that is limited to 500 gpm, does this mean I have to give separate stand pipes to every 2 hose reels? There are many hose reels installed but if I
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mstromme
A few months ago, NFPA told me the following regarding the size of the special hazard ratings in comparison to the number ratings for NFPA 704, “The minimum dimensions of the hazard ratings (which include the special hazard symbols) are specified in figure and table so as long as they scale within those minimum dimensions, that is
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j_w_hines
I have a 4000A, 480V main service with 1200A feeder breakers.  These breakers have energy reduction mode and I can run the analysis with and without this.  For example, at a board, with the reduction switch turned ON, it is 4.2 Cal and Level 3, with the switch OFF, it is 5.1 Cal and still level 3.  For AF stickers, do you provide
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