voltage drop?

[darryl]

Checking to see if any one knows volt drop for #10 at 30 amps under a load lenght of wire etc. This is a r.v. park built in 70.

 

[roger]

Re: voltage drop?

Darryl,

VD=

2 x K x D x I
______________
CM


K as far as generaly speaking would be 12.9 for copper.

D is distance

I is amps

CM is circular mill (Table 8 page 625 2002 NEC)

If you are dealing with three phase change the 2 to 1.732

Roger

[ August 09, 2003, 02:02 PM: Message edited by: roger ]

 

[darryl]

Re: voltage drop?

Thanks Darryl