Old fuse box

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  #1  
Old 03-03-05, 10:47 AM
jace
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Old fuse box

I have an old Murray fuse box which I think is 100 amps.
At least thats what is says on the door. It has a Main pull out fuse with 2-60 amp cartridge type fuses. It also has a
Range pull out fuse with 2-60 amp cartridge fuses. It has
#6 SE type aluminum wire coming into the fuse box. The
SE wire connects to # 2 wire at the weather head. The # 2
wire is connected to a disconnect box on a yard pole.
My question is can I connect the SE wire from the old fuse box
to a new 100 amp circuit breaker box temporarily so as I run new
wire to my circuits they will be powered up? Then after I get all the
wire ran to the new box I can call the power company to disconnect
the SE wire at the weather head and hook up the new wire coming from the new box.
Thanks for any help you can give me.
 
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  #2  
Old 03-03-05, 10:54 AM
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Join Date: May 2001
Location: Dry Side of Washington State
Posts: 738
Originally Posted by jace
I have an old Murray fuse box which I think is 100 amps.
At least thats what is says on the door. It has a Main pull out fuse with 2-60 amp cartridge type fuses. It also has a
Range pull out fuse with 2-60 amp cartridge fuses. It has
#6 SE type aluminum wire coming into the fuse box. The
SE wire connects to # 2 wire at the weather head. The # 2
wire is connected to a disconnect box on a yard pole.
My question is can I connect the SE wire from the old fuse box
to a new 100 amp circuit breaker box temporarily so as I run new
wire to my circuits they will be powered up? Then after I get all the
wire ran to the new box I can call the power company to disconnect
the SE wire at the weather head and hook up the new wire coming from the new box.
Thanks for any help you can give me.
Call the utility company as see what they say. Sounds like homeowner job to disconnect the wires at the weatherhead. I say that because you have a service disconnect ahead of the Murray panel.
 
  #3  
Old 03-03-05, 02:04 PM
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Join Date: Sep 2000
Location: Fayetteville, NY, USA
Posts: 1,052
I had this setup when I replaced my service. I installed my new breaker panel adjacent to the fuse box. Since I had no range, I connected two jumpers from the range lugs to the new panel, plus a neutral and ground to their respective lugs in the new panel. As I got time, I pulled the mains block and range block and transferred my existing circuits one-by-one to the new panel. When all the new circuits were located in the new panel, I replaced the mains and range block and ran the house out of the new panel until the utility did the cut-off/cut on. The utility will cut you off, no problem, but they will not cut you back on until you get a certificate of inspection. My village allows homeowner to do their own electrical work, but requires a permit and final inspection.

You will also need a new SE cable. You'll need #2 AL for the 100 amp panel. The #6 is too small. I installed new SE parallel to my old SE, from the weatherhead to the location where my new meter can would be. (The old one was inside, utility requires it to be moved outside and dictates where it must be located. You pay for the meter can and hook it up, they provide the meter.) I left about 3 - 4 feet excess at weatherhead. I hooked up the other end of the SE to the new meter can. When I was all done and inspected I called the utility for the cut off/cut on. They swapped SE at the weatherhead while I swapped it at the new panel, and we were done in less than 1/2 hour. I think your plan is good.

Juice
 
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