HONOLULU, HI — In commercial, residential, industrial, and institutional HVAC design, it is critical for design contractors and engineers to perform a load calculation. Not only is it important for ...

Let’s take a closer look at the lighting load requirement. The NEC requirements for branch-circuit load calculations are in Art. 220, Part II. These cover three classifications of loads: Lighting ...

Occupant Load Determines Fire Code Application – Occupant load calculations help identify which fire alarm and safety regulations apply. Mixed-Use Buildings Must Consider Combined Loads – When ...

Last month in Code Basics, “Commercial Loads — Part 1,” on page 24 of the January issue, we discussed when it’s okay to apply demand factors when calculating ...