Commercial Load Calculations — Part 2

Commercial Load Calculations — Part 2

Your commercial application may have special requirements for calculating the load.

In Part 1, we looked at specific types of commercial loads. Let’s use some examples to show yet another difference in demand factors. If you were to watch daily operations at a marina [555.12], you’d see why its demand factors differ from those for, say, hotel rooms. As you can imagine, the usage is very different. The demand factors must change to make sense for the application.

The NEC permits a demand factor for the marina receptacle outlets that provide shore power for boa

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