Residential Electrical Systems May Be Grounded Using Only the Metal

question 38

True/False

Residential electrical systems may be grounded using only the metal water pipe system and do not need a supplemental grounding electrode.

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Definitions:

Correlation

A statistical measure that describes the extent to which two variables change together, but does not imply causation.

PassYds

Abbreviation for Passing Yards, a statistic in football that measures the distance in yards gained from passing plays.

RushYds

A statistic in football referring to the total yards gained by running play.

Pearson's Correlations

A measure of the linear correlation between two variables, represented by a value between -1 and 1 where 1 means a perfect positive correlation and -1 means a perfect negative correlation.