What can you learn from the NEC’s Annex D, Example D3? The title of the example is “Store Building,” and that means it’s for a commercial installation (rather than industrial or residential). You may ...

The electrical load requirements for commercial installations result in a great deal of diversity in usage. In other words, while some types of equipment and ...

“What is the diversity ratio of the sum of the individual building peak load demands system when compared to the peak demand of the entire chilled water system plant hour by hour?” Without the answer ...

I'd like to build a wood shed to hold firewood. I'd like to build a raised structure supported on concrete blocks or some other kind of foundation, if possible. Traditionally, people either just throw ...