Light Hazard Occupancy NFPA 13 Fire sprinkler head spacing.

[@MB-mc2bq]

Good video joe, hope you can continue making this type of videos, Where is your 550 shirt?Boston Ma Baby!!

[@CAHP81]

Outstanding video, Joe, very educational. A lot of people in our field are going to benefit from this.

[@patricks368]

Joe knows code. Nice job

[@NFPAJoe]

😎👍

[@andreadunn1720]

Thanks Joe appreciate the video and knowledge.

[@AlexLaitinen]

Best video on the internet

[@Jayboith2]

First before you go viral.