[RE-wrenches] Parallel Wire combining

Larry larry at starlightsolar.com
Tue Dec 2 10:08:45 PST 2014


OK, let's use 1/0 for the example. 108,350 x 3 = 325,050. Do I now have 
a cable between 300 and 350 AWG?

Thank you,

Larry

On 12/2/14 10:51 AM, Bill Turberville wrote:
>
> The minimum conductor size that can be paralleled, according to the 
> NEC is 1/0.
>
> William C. Turberville P.E.
>
> President
>
> Electrical Contracting Enterprises LLC
>
> 3080 Stage Post Dr ste 107
>
> Bartlett, TN 38133
>
> 901-348-9230 ext 101 phone
>
> 901-289-6346 cell
>
> 901-348-2192 FAX
>
> *From:*RE-wrenches [mailto:re-wrenches-bounces at lists.re-wrenches.org 
> <mailto:re-wrenches-bounces at lists.re-wrenches.org>] *On Behalf Of 
> *Jerry Shafer
> *Sent:* Tuesday, December 02, 2014 11:45 AM
> *To:* RE-wrenches
> *Subject:* Re: [RE-wrenches] Parallel Wire combining
>
> We have installed multible mcm 500 to meet this and there were three 
> on each leg but that was because of the required size and bending room
> Jerry
>
> On Dec 2, 2014 7:43 AM, "Larry" <larry at starlightsolar.com 
> <mailto:larry at starlightsolar.com>> wrote:
>
> Wrenches,
>
> If I combine 3 conductors of equal length in parallel, is the 
> resulting size equal to 3 times the Circular Mil area? For example, #4 
> is 42,080cm so are three #4's close to 2/0 (134,200cm) in size? Is it 
> as simple as this? Assuming the conductors can not be removed 
> individually, does this mean the current capacity is equal to the 
> resulting wire size?
>
> Thanks, Larry
>

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