VoyForums
[ Show ]
Support VoyForums

Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time ]
Subject: Re: Ampacity column in NEC 310-16


Author:
JOE
[ Next Thread | Previous Thread | Next Message | Previous Message ]
Date Posted: 07:09:48 05/16/06 Tue
In reply to: JOE 's message, "Re: Ampacity column in NEC 310-16" on 07:08:07 05/16/06 Tue

>>To install 9 conductors in a single raceway 8 of which
>>are current carrying, to supply power and lighting
>>loads. The copper conductors will have THHN insulation
>>and be fused at 20 amps. Considering the note to
>>article 240.4(D) which limits the overcurrent
>>protection on 14,12,and 10AWG conductors, and the fact
>>that these conductors will be terminated to 75 degree
>>C terminals or lugs. Table 310.15(B)(2)(a) requires an
>>adjustment factor of 70% for7-9 current carrying
>>conductors. Ambient temperature is not a factor in
>>this case.
>>Which column of table 310-16 is allowable to use to
>>caluculate the wire size?
60AMP

[ Next Thread | Previous Thread | Next Message | Previous Message ]


Post a message:
This forum requires an account to post.
[ Create Account ]
[ Login ]
[ Contact Forum Admin ]


Forum timezone: GMT-8
VF Version: 3.00b, ConfDB:
Before posting please read our privacy policy.
VoyForums(tm) is a Free Service from Voyager Info-Systems.
Copyright © 1998-2019 Voyager Info-Systems. All Rights Reserved.