Probable Effect Concentration Quotients (PECQS) Practice Test

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The 100% demand factor applies for electric clothes dryers for how many units or less?

The correct answer is: 4

The 100% demand factor being applied to electric clothes dryers means that for a certain number of units, the full connected load of those units is considered in load calculations. This concept is crucial for accurately sizing equipment and ensuring that sufficient capacity is available in electrical systems without overestimating the demand. In terms of specific units, the 100% demand factor applies up to four electric clothes dryers. This means that when there are four or fewer dryers installed, the total load is calculated based on the full capacity of each dryer. This approach helps prevent the overloading of circuits and ensures safety and efficiency in electrical installations. When there are more than four dryers, different methodologies would typically apply to calculate demand. This is due to the recognition that not all units will be used at full capacity at the same time, allowing for the application of a lower demand factor for additional units to account for diversity in usage.