Well, the forum needs some guidance on where to start beyond the information contained in one sentence of only 12 words.
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"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
Then order some Unistrut <usual disclaimer> and a battery drill with drill bits...
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"Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
There's a whole variety of support calculations a panel/junction box could require. In many locations these calculations must be done by somebody licensed to do this work.
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"Don't disturb my circles." translation of Archimedes last words