A structured document employed to estimate the total electrical demand of a business premises. This tool methodically itemizes and quantifies the anticipated power consumption of various devices and systems, including lighting, HVAC, machinery, and receptacles, within a commercial building. As an example, a template would include sections to list the quantity, wattage, and voltage of all lighting fixtures, as well as separate sections for appliances and motors.
Accurate estimation of power needs is vital for safe and efficient electrical system design. It prevents overloading circuits, which can lead to fires and equipment damage, and ensures the system can handle peak demand. Historically, these calculations were performed manually, which was time-consuming and prone to errors. Standardized documentation provides a more systematic and reliable approach, streamlining project development and reducing potential hazards.