What does the term "load calculation" involve?

Load calculation is a critical process in the design and installation of electrical systems, as it involves calculating the total electrical load that will be used in a space to ensure that the electrical service can support that load. This calculation takes into account all the electrical devices and appliances that will be used, their power consumption (usually measured in watts), and helps to determine the appropriate size of the service entrance and the required capacity of transformers, panels, and other components.

By accurately calculating the total electrical load, electricians can ensure that the electrical system is safe, compliant, and efficient, preventing issues such as overloaded circuits, which could lead to fires or equipment damage. In this context, proper load calculations are essential for any electrical installation to function reliably over time without exceeding the designed capacity.