One more question on the same vein: What's 3-phase, and what's the main advantage in efficiency? (as opposed to split-phase or "4-phase", if such a thing existed).
I know it's universal for overland power transmission. Nat -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Joseph B. Reid Sent: Thursday, 2003 January 23 13:08 To: U.S. Metric Association Subject: [USMA:24573] Re: Power >John Nichols asked in USMA 24572: > >I realize this is off list but why is the US 110 Volts and yet I can >get 220 - 240 for the laundry products. > Three wires are brought into the house. The central wire is neutral. The other two carry 115 volts alternating and in antiphase. The two live wires provide 230 V between them. There is 115 V between a phase line and the neutral line.. -- Joseph B. Reid 17 Glebe Road West Toronto M5P 1C8 Telephone 416-486-6071
