According to Section 310

question 36

Multiple Choice

According to Section 310.15(B) (7) in the NEC, the minimum conductor size for a 200-ampere residential service entrance is _________ Cu or _________ Al.

• A) 4 AWG; 2 AWG
• B) 3 AWG; 1 AWG
• C) 2 AWG; 1/0 AWG
• D) 2/0 AWG; 4/0 AWG

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Definitions:

Test Statistic

A calculated value from sample data that is used in statistical testing to decide whether to reject the null hypothesis within the framework of a hypothesis test.

P-value

A statistical measure that indicates the probability of observing the test results, or something more extreme, if the null hypothesis is true.

Null Hypothesis

A hypothesis that suggests there is no statistical significance between the specified sets of observations, usually representing a statement of no effect or no difference.

Alternative Hypothesis

The hypothesis in a statistical test that proposes a difference or effect, opposing the null hypothesis, and is considered true if the null hypothesis is rejected.