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Posted by Bud-- on January 3, 2007, 12:13 pm
Bud-- wrote:
> Kurt.Gesell@shaw.ca wrote:
>
>> I would like to upgrade my existing panel 100 amp Federal Pioneer with
>> a 200 amp panel.
>> the feeds from the meter to the panel (about 30 feet) are Alcan B 2
>> AWG. The feeds are in a conduit and will need upgrading, but I am not
>> sure about the wiring size. The meter is labelled '2-200a 240v 1ph type
>> j5s 3 wire 60 vc' so I assume it will handle the upgrade, but I will
>> have that checked. Can anyone indicate the feeder wire size from the
>> meter to the panel, CU or AL that may be required?
>>
>
> Even if the meter is OK the meter box may not be rated 200A. This is a
> physical size for wires in addition to electrical rating.
>
> With over head service you have to replace the wiring from meter to the
> connection to the service drop.
>
> With underground service, the underground service wires may have to be
> replaced - which may be your cost, depending on utility regulations. The
> pipe from meter to underground may have to be replaced with a larger one.
>
> Some of the grounding electrode wires may have to be replaced.
>
> Services have some unique rules that are critical to safety.
>
> --
> bud--
Answers are based on US NEC, but are likely the same in Canada.
--
bud--
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