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czeckit

03:38AM | 10/08/04
Member Since: 03/18/04
10 lifetime posts
Bvelectrical
We are going to install a new 200A loadcenter to replace the old 100A fuse panel. Question is - the service wire feeds from an outside pole underground about 100 feet into the house and is only #2 rated for the 100A fusepanel. If the underground wire has 100A fuses at the pole can we still use it with the 200A loadcenter. We are not adding any major circuits, just figured if we were going to install a new breaker panel we might as well put in a 200A and if we have any major additions in the future we can upgrade the service wire then. Thanks for your input!

tperez

12:37PM | 10/08/04
Member Since: 09/24/04
128 lifetime posts
O.K., where to begin. I will say off the bat that this can be done, but it is a high liability issue and would be an illegal install.

Let's say (heaven forbid) you have an electrical fire. Your insurance will not pay a dime.

Let's say you want to upgrade the wire for a shiny new hot tub. The new wires needed will probably not even fit in the existing conduit.

Let's say you sell your house and forget about the change over, well, you know where I'm going with this one.

Unless there is a disconnect between the panel and the meter DO NOT ATTEMPT THIS JOB. The lines will still be hot unless the city pulls the fuse at the pole or the meter. This isn't even a job I would recommend the DIY person do.

In short I would say hire a good reputable electrical firm for this one and I'm sorry to be the bearer of bad news.

U.S.M.C. Semper Fi !!!

Tom O

05:23PM | 10/08/04
Member Since: 09/17/02
487 lifetime posts
If, as stated, there are 100 amp fuses protecting the #2 conductors, then you can install any panel you want provided that it is at least rated for 100 amps and the lugs are listed for use with #2 conductors. The only way to be sure about the lugs is to read all those fine print eyestrain labels that are stuck inside the box. Chances are, that the #2 wire will fall in the range that is listed for the lugs.
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