Load capacity calculation: Determine the total power demand of industrial facilities, including continuous load (such as production lines, pumps) and intermittent load (such as maintenance equipment, temporary workstations), and calculate the rated current required for. Load capacity calculation: Determine the total power demand of industrial facilities, including continuous load (such as production lines, pumps) and intermittent load (such as maintenance equipment, temporary workstations), and calculate the rated current required for. This professional junction box load calculator sizes instrumentation junction boxes (marshalling boxes) for field devices in process automation and control systems. Calculate total power supply load, signal distribution requirements, intrinsic safety parameters (for Ex i applications), terminal. Demand: The electric load at the receiving terminals averaged over a specified demand interval., or one hour based upon the particular utility's demand interval. Demand may be expressed in amperes, kiloamperes, kilowatts, kilovars, or kilovolt amperes. This guide dives deep into the principles, methodologies, and tools required to perform accurate. Pro Insight: A well-planned distribution box feels like a silent partner—you only notice it when something's wrong. Our goal? Make sure you never notice it. Before we dive into calculations, let's get familiar with a few essentials: 1. This article will guide you through the essentials of load computation, also known as electrical load calculation, providing step-by-step. This guide walks you through the entire process of electrical load calculation for buildings.