Re: OT: Generator/Wiring

From: Jamie Calder (jcalder3@cfl.rr.com)
Date: Sun Feb 08 2009 - 23:57:06 EST


Sorry, I meant (2) 120v sockets protected by a 20 amp breaker.
The 240v socket is also protected with a 20 amp breaker. 2 breakers total.
The 240 socket I understand but why would the 120v sockets have a 20 amp
breaker? 4500W / 120V = 37.5 amps.
Thanks,
James

--------------------------------------------------
From: "Terrible Tom" <silvereightynine@aol.com>
Sent: Sunday, February 08, 2009 11:08 PM
To: <dakota-truck-moderator@bent.twistedbits.net>
Subject: Re: DML: OT: Generator/Wiring

>
> Jamie Calder wrote:
>
>> Oh wise list with experts in all fields,
>>
>> I have a 4500 continuous watt generator. It has (2) 120 volt standard
>> receptacles protected by an on board 20 amp breaker and a 4 prong 240
>> volt
>> receptacle protected by another on board 20 amp breaker. Since it's
>> rated
>> at 4500 watts should it be able to provide 37.5 amps @ 120 volts (w/v=a)?
>> If so, why is it protected by a 20 amp breaker? I'm not an electrician
>> so
>> don't laugh at me too hard if I'm wrong :)
>> Thanks,
>> James
>>
>
> Generators are rated in surge watts and continuous watts...
>
> You said you have (2) 120v receptacles? Meaning a total of (4) qty actual
> sockets to have (4)
> qty plugs, plugged in at the same time?
>
> If that is the case, you have your peak level right there. A 20 amp
> circuit @ 120V is 2400
> watts. If each 2-socket recptacle is wired independantly, then you have
> the ability to pull
> 4800 watts between the two - which exceedes its rated continious value.
>
> How many total circuit breakers do you have on the Geni?
>
> As for the 20 amp breaker protecting the 240 circuit - that would be
> correct also. Wats is
> (VxA=W) - 20 x 240 = 4800
>
> --
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> steps in it"
> -John Steinbeck
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