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    markmanning's Avatar
    markmanning Posts: 4, Reputation: 1
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    #1

    Oct 5, 2012, 05:47 PM
    200 amp electric up grade
    1. How do open a new 200 amp Thomas and Betts Meter Box in order to be able to screw in the back to the house siding? There is no obvious latch to open?
    2. Is 4 o Aluminum conductor wire the same gauge as 250 kc mil Aluminum? This is for my 200 amp upgrade.
    Thanks Mark
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Oct 5, 2012, 06:32 PM
    250 kc mil is the next size larger than 4/0, about 10% more ampacity. Above 4/0 it converts to circular mil.
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