Direct-Burial Cable Is Normally Required to Have a Minimum of 24

question 8

Essay

Direct-burial cable is normally required to have a minimum of 24 inches of earth cover. Explain the conditions under which the minimum depth can be reduced to 12 inches for residential occupancies.

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Definitions:

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data.

Outliers

Observations in a dataset that are significantly distant from the other observations, potentially indicating a measurement error or a different population.

Parameter

A numerical characteristic that describes a statistical population, such as a mean or standard deviation.

Mode

The value that appears most frequently in a data set, representing the highest peak in a distribution.