[Amps] what is a 4 wire 240VAC service?
Ron Youvan
ka4inm at tampabay.rr.com
Mon Apr 4 08:06:42 PDT 2011
Jim Thomson wrote:
> Date: Sun, 03 Apr 2011 10:51:58 -0700
> From: Jim Brown<jim at audiosystemsgroup.com>
> Subject: Re: [Amps] what is a 4 wire 240VAC service?
>
>
> On 4/3/2011 7:57 AM, Charles Harpole wrote:
>> Maybe being in Thailand, where 230vac is supplied with TWO wires, makes me ask.... what is 4-wire 240vac service?
>
> ## In Thailand,.... and the UK, etc,,..sure they give you 230 vac from the street..BUT one of those
> two wires is GRNDED at the pole. In essence, you have 1 hot and one neutral/grnd coming in off
> the street. So you are getting UB balanced 230 vac, Here in nA, we get 240 vac balanced power....and the sec
> of the pole pig is the neutral..which is also bonde to grnd....and also bonded to the return wire of the 14.4 kv.
For those outside of the USA the following is how we do it in the
U.S.A.: http://en.wikipedia.org/wiki/Split_phase
--
Ron KA4INM - Endless Loop: n. see Loop, Endless.
Loop, Endless: n. see Endless Loop.
-- Random Shack Data Processing Dictionary
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