![]() ![]() For instance, Chapter 3 of the NEC provides information on the wiring methods used. 220, other rules affecting these loads are scattered throughout the Code. Different sets of demand factors apply for different types of electrical loads - and even for different types of commercial buildings.Īlthough most of the requirements for service and feeder commercial load calculations are found in Art. For this reason, we apply demand factors when calculating service and feeder loads. In addition, there are often two different types of electrical loads on the same service or feeder that will not be brought into service simultaneously by their very nature, such as heating and air conditioning. In other words, while some types of equipment and electrical loads are in use for extended periods, others are only used occasionally or for short periods of time. The electrical load requirements for commercial installations result in a great deal of diversity in usage. ![]()
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