Reply by REO

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Posted on How can I tell if I have 220 to my garage?

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928 posts in 2074 days

#1 posted 10-12-2012 10:04 PM

Hmmm. some curious opinions here!? As you have been told you can check for 220. Pull the mains “sled” and check across the top terminals. The mains are just like the main breaker in a breaker box they limit the total current demand of the box. The range fuses were typically for the Range which was a large consumer and when this was installed the only use of 220 in a home. Since then Water heaters and air conditioning have been added to the need for 220. The glass screw in circuits were for general use circuits like the outlets, lighting and refrigerator. As far as the feed for the box and the Main fuses if you have #8 wire you are good for 40 amps PER leg. If you have #6 you are good for 60 amps PER leg. the internal connections in the box were rated and the sockets will allow only one particular size of fuse to be installed in the screw sockets. You are kind of limited but For a small shop it could be totally doable.

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