I am a BAS controls engineer, and am having issues finding any code requirements for type of NEMA enclosures needed. The spaces are marked as Class I Div 2, but at certain heights, do those requirements still uphold. Getting 18 NEMA 7 enclosures for Unit Heaters in the spaces will be quite...
I work for a ATC company as a controls engineer, and am wondering what the general consensus is on the role an A/E plays in the mechanical control design process.
My question is, are the specification's, mechanical drawings, and sequences simply guidelines that need to be altered by the...