[Prev][Next][Index]
Re: Beating the electricity horse
-
To: Aquatic-Plants at actwin_com
-
Subject: Re: Beating the electricity horse
-
From: richardm at cd_com (Richard Masoner)
-
Date: Fri, 20 Dec 1996 10:31:20 -0600 (CST)
-
In-Reply-To: <199612192039.PAA19495 at looney_actwin.com> from "Aquatic-Plants-Owner at ActWin_com" at Dec 19, 96 03:39:02 pm
> ...the
> real benefit of using a transformer for undergravel heating cables is NOT
> that you reduce the voltage from 120 volts to 10 volts (or whatever). THE
> REAL reason is that you convert a potentially fatal AC line voltage to a
> much less harmful DC voltage.
*ahem*
Transformers only step the voltage up or down -- they cannot convert
AC to DC. Rectifiers convert AC to DC. Inverters convert DC to AC.
Richard Masoner
at work in chilly and windy (but sunny) Champaign Illinois