The ampacity is twice the ampacity of 1-1/0 conductor under the same conditions.
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-boun...@lists.re-wrenches.org] *On Behalf Of *Larry *Sent:* Tuesday, December 02, 2014 12:09 PM *To:* RE-wrenches *Subject:* Re: [RE-wrenches] Parallel Wire combining 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-boun...@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" <la...@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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