voltage drop for 20 amp receptacles

[ceelectric]

I need to install gen purpose 20 amp receptales 115' to 145'. to adjust for voltage drop, I will need to run #8 cu. is it acceptacle to pig tail # 12 at the J box to attach the receptacle?

 

[LarryFine]

I need to install gen purpose 20 amp receptales 115' to 145'. to adjust for voltage drop, I will need to run #8 cu. is it acceptacle to pig tail # 12 at the J box to attach the receptacle?

Yes, as long as your OCPD is not more than 20a.

 

[roger3829]

Yes it's acceptable

 

[William1978]

What size ground are you pulling?

 

[Jim W in Tampa]

#8 sounds like way over kill for something this short. But then i ran #8 for a 35 foot run to my generator (mostly cause i had it anyways)

 

[ceelectric]

the # 8 are installed in emt.

 

[K8MHZ]

You will need all the room you can get in the boxes. I had to install dozens of them (20A fed w/ 8AWG) on a school job and it was a pain. Wrestling with 8 stranded, extra wire nuts and 12 solid for connections was no fun at all.

 

[Jim W in Tampa]

Do you have a known load that your trying to carry ? That is not a distance that usually requires #8 ,maybe #10 ,a 5 volt drop from panel usually is no problem

 

[The Iceman]

I need to install gen purpose 20 amp receptales 115' to 145'. to adjust for voltage drop, I will need to run #8 cu. is it acceptacle to pig tail # 12 at the J box to attach the receptacle?

If you are going to run #8 cu. check out 314.24 (C) (3). 2008 NEC.

 

[iwire]

We generally run 12 AWG out to 100' radius from the panel and 10 AWG out to a 200' radius. It is really imposable to determine what size is really needed. You would need to know the load and how tolerant the load is to voltage drop.