Skip navigation

News

Forums
cmholst
This question is coming from a concern that I have over sprinkler riser systems device installation/replacing such as pressure, tamper, water flow, switches and related low voltage devices on any working riser system and the requirement for any technician to be able to perform, and a State licensed Limited Energy technician performing
0

harri.janhonen
How to sprinkler protect a cold warehouse :max. ceiling height of 17.8 m, max. storage height of 8 m.  Any advise to give?  Have anyone tried in-rack sprinklers in the cold warehouse? 
0
Top & Trending
apurvadave
Attached sketch shows utility xfmr1 200A 480/277V existing which feeds the existing fdr #1 electrical room in multi occupancy bldg. The plans now show new xfmr2 800A 480/277V which feeds thru new fdr #2 Electrical Room. Told that a building can have only one service and second is not acceptable thru any exception. I was told 230.40 exception #1
8
Forums
iiramirez
Dear Expert Colleagues   About Fire Water network design conditions: Do you know if there is any international standard stating or recommendating a maximum velocity ? There are some good engineering practices (or even some CLients specs) stating a max. values between 3 and 5 meters/sec, but it would be quite helpful to identify if there is
0
Blogs
lisamariesinatra
NFPA has announced the 2021 edition of NFPA 70E, Standard for Electrical Safety in the Workplace as the latest addition to  NFPA LiNK, the Association’s new information delivery platform that will include codes and standards, supplementary content, and visual aids for building, electrical, and life safety professionals and
0
Forums
apurvadave
Assume that two SWGRs A and B are in compliance with NEC 2014 Section 230.2 first paragraph which says:   For the purpose of 230.40 Exception no. 2 only, underground sets of conductors, 1/0 AWG and larger, running to the same locations and connected together at their supply end but not connected together at their load end shall be considered
1
Blogs
susanmckelvey
  Along with the tremendous outreach efforts we saw from fire departments and safety educators in support of Fire Prevention Week this year, a wide range of businesses and organizations actively engaged in the campaign as well. These collective efforts are an important part of reaching communities with life-saving information, the true
0
Top & Trending
msandor.ext
According to the NFPA 24 edition 2013 in particular Chapter 10 Underground Piping and document annex detail (Piping brought up through the floor), for the fire network application the following questions is developed:   1) Is allowed to be used steel pipe (ASTM A 106 Gr B) in underground fire protection service? 2) Is allowed the use of
3