The Proper NEMA Designation for a 30 Amp, 125/250 Volt

question 22

Multiple Choice

The proper NEMA designation for a 30 amp, 125/250 volt grounding type receptacle installed for an electric clothes dryer is __________.

• A) 5-15R
• B) 6-30R
• C) 14-30R
• D) 10-30R

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Definitions:

Profile Plot

A graphical representation of the multivariate data where each observation is represented by a plot, often used to observe patterns over time or conditions.

Main Effect

In statistics, the term refers to the primary effect of an independent variable on a dependent variable in experimental design.

Material

The substance or substances from which a thing is or can be made.

Interaction

In statistics and research, the occurrence when the effect of one variable on an outcome is influenced by the level of another variable.