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Home > Archive > Electrical Engineering > August 2005 > OverHead Service Drop Help
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OverHead Service Drop Help
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| Kissi Asiedu 2005-08-23, 11:21 pm |
| Could anyone help with a Service Entrance and Service Drop cable type and
size, Please?
For a 3000sq ft house, with a 225A load center what size and type of cable
is suitable for Service Entrance and Service Drop. Considering OverHead.
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"Kissi Asiedu" <kissi5559@aol.com> wrote in message
news:DtQOe.24274$%81.4733@fe33.usenetserver.com...
> Could anyone help with a Service Entrance and Service Drop cable type and
> size, Please?
>
> For a 3000sq ft house, with a 225A load center what size and type of cable
> is suitable for Service Entrance and Service Drop. Considering OverHead.
I am unaware of any service that is rated at 225 amps. Where I live it,
Arizona, services go 100,150, 200, then lastly 400 amps. Just picking out a
panel from the store is a poor practice. Some load centers are not service
rated there for can not be used for service equipment.
Have you called your serving utility for their specs and requirements?
With out specific load information for the home it would be impractical to
guide you.
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| phil-news-nospam@ipal.net 2005-08-24, 1:21 pm |
| On Tue, 23 Aug 2005 21:56:33 -0400 Kissi Asiedu <kissi5559@aol.com> wrote:
| Could anyone help with a Service Entrance and Service Drop cable type and
| size, Please?
|
| For a 3000sq ft house, with a 225A load center what size and type of cable
| is suitable for Service Entrance and Service Drop. Considering OverHead.
The National Electrical Code specifies the portion of this going from the
power company handoff (generally the load terminals of the meter). The
power company does their own thing with their own code (NESC) up to that
point.
Your electrical contractor should be following code and know what to do.
They should have the training to make the right analysis and the code book
at hand to consult to be sure things are correct.
If you are doing your own electrical work, you should, at a minimum, have
some sort of reference like the NEC handy. If the NEC is to hard to read,
some home wiring books _may_ go deep enough to handle a service entrance.
You probably can use 4/0 (211 kcmil) copper or 300 kcmil aluminum. But,
depending on various factors your situation may have, you might have to
go a step larger. There are several types of cable that may be used
depending on how you are feeding it in.
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