Eight-step format for commercial service calculations is different from dwelling service calculations as far as what pieces we're dealing with in it. We get to you know debate to such a high rate because we're not going to have all the lights on you're not going to be you know using all the load at a dwelling unit at any given time in a commercial application you're going to be using continuous loads a lot. You know think about a retail sales type area those lights are on 24 hours a day you know their air conditioning equipment's running constantly their refrigeration equipment freezing equipment's running constantly so the heavier lows and more constantly used loads we're still going to go to step one through eight. I'm going to look at table 220.12 to give us a load per square foot and this is the outside dimensions of the building this 220.12 table has a lot of different things in here, so these are the VA per square foot. Because these the square foot of a commercial application could be massively large, what we do is that we just put it into a calculation like we've done in the dwelling unit now. For lighting 125 for all continuous loads you need to know what continuous loads are. They're something that's going to run full capacity for three hours or more. Well think about any retail space they're not going to be open for two hours and 59 minutes every day they're going to be open most of them 24 hours a day, so their lighting is absolutely a continuous load. But down here at the bottom underneath that table it says the 125 multiplier for continuous load that's specified in 210.20 an is included when using the unit loads in...
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About Nec Electrical Load Calculation Worksheet
The NEC Electrical Load Calculation Worksheet is a tool used to calculate the electrical load requirements of a building or structure. It is a comprehensive document that provides a step-by-step process to determine the total electrical load for a facility based on factors such as the size of the building, number of occupants, type of equipment and appliances, and other electrical devices. The worksheet helps to ensure that the electrical system of a facility will be properly sized and designed to accommodate the electrical demand of the building. It is used by electrical engineers, contractors, and other professionals involved in the design and construction of buildings to ensure compliance with National Electrical Code (NEC) regulations. Additionally, the NEC requires the calculation of the electrical load for every building or structure, to ensure that the electrical service, overcurrent devices, and conductors are appropriately sized and designed to handle the electrical load. Therefore, anyone involved in the electrical system design and construction process needs the NEC Electrical Load Calculation Worksheet to comply with these requirements and ensure the safety and efficiency of the electrical systems in buildings.
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