## PSN-L Email List Message

**
Subject: Re: Cover for seismo**

From: Rick Bitto rbitto@...........

Date: Tue, 10 Jul 2001 22:16:27 -0400

115 Volts is the RMS (root mean squared) value of the sine wave. The actual peak
value for a pure sine wave is the product of the square root of two times the RMS
value (i.e. 1.414 x 115V = 163V). The correct voltage to use to calculate
resistive power is 115V.
Rick Bitto
Ron Westfall wrote:
>
>
> Keep in mind that AC power is a sine wave which has
> to be taken into consideration when calculating power consumption i.e 115V is
> the peak voltage, not the average voltage.
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Larry Cochrane <cochrane@..............>