It makes no sense to use the wrong term. If it is important to know the number of amps, so as not to overload the circuit, then the correct term: current should be used.
Euric ----- Original Message ----- From: "Phil Chernack" <[EMAIL PROTECTED]> To: "U.S. Metric Association" <[EMAIL PROTECTED]> Sent: Tuesday, 2004-02-03 12:35 Subject: [USMA:28492] Re: Torque and horsepower > Marcus, > > Power is usually given in amps because it is easier to calculate the load on > a particular breaker in your house this way. For instance, if I have a 15 > amp circut and I put a 3 amp appliance on it, I know my remaining draw > before blowing the circut is 10 or so amps (allowing for a margin of > safety). If power was given in watts only, I would have to divide watts by > volts to get the amperage draw. BTW, most, if not all appliances give the > wattage as well. Remember, American homes have 3 phase power coming into > them. One bus at 220 divided into 2 at 110 each. The total amperage > provided is usually around 200. > > Phil > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Behalf Of Ma Be > Sent: Tuesday, February 03, 2004 12:19 PM > To: U.S. Metric Association > Subject: [USMA:28491] Re: Torque and horsepower > > > Dear John, I think I could answer some of your questions below (they're > interspersed). > > On Mon, 2 Feb 2004 18:49:56 > john mercer wrote: > >Is the output of electric motors still given in horsepower? > > To my knowledge this is one of the few products that I see reasonably > correctly quoted in the market, i.e. in W. There might be exceptions though > as you found below. > > > I have been on some small appliance web sites and they give the power of > the motors in amps. > > True. However, I cannot understand (for the love!...) of me why ANYONE > should quote power in 'amps' (S-I-C)! Whoever does that is evidently either > delusional or has absolutely no understanding of the most fundamental > principles of Physics... The ampere is a unit of *current*, NOT power! > > >... I don't know if Kilowatts would ever be excepted in North America, > because everybody uses horsepower all the time... > > Who knows? As long as the populace continues to treat measurements in > general as some "cultural" aspect in their lives we'll continue to > experience and see such nonsense in the marketplace, what can I say?... > > Marcus > > > ____________________________________________________________ > Get 25MB of email storage with Lycos Mail Plus! > Sign up today -- http://www.mail.lycos.com/brandPage.shtml?pageId=plus > >
