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Glossary

Terms for Architecture, Green Building & Energy


This glossary includes more than 300 solar terms, as well as hundreds of additional sustainable design and construction terms.

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Root Mean Square (RMS)

Definition: The square root of the average square of the instantaneous values of an ac output. For a sine wave the RMS value is 0.707 times the peak value. The equivalent value of alternating current, I, that will produce the same heating in a conductor with resistance, R, as a dc current of value I.