[sudo-discuss] Electrical stages proposed

[Whitney Lawrence]

Upon further consideration and based on input from our community I
recommend we move forward in Stages.

First Stage: Service the server area (dedicated 20A breaker), 3d print area
and Museum with another 20A breaker. Thus satisfying the Fire inspection
needs.

Stage 2, phase 1: Install plugs along Eastern wall (3rd 20A breaker)

Stage 2, phase 2: Install 240V service to Robot on Eastern wall. Other 240v
needs?

Stage 2, phase 3: Install overhead power (either using the 4th available
position of the Balcony breaker or tying into the 3d printer/museum j-box)

I need to know about the Robot power requirements. I looked through the
manuals posted by Jake and have not found the amperage rating for the
control box+robot. Im working under the assumption that she requires a 30A
dedicated 240V supply and Jake will preform 3phase magicianary.

The reason I ask is because I need to size the breaker accordingly, and we
have limited real estate within the Balcony panel (located in the music
room). Currently (no pun intended) there are 4 breaker positions available
in the Balcony panel. I think that all 240V supply, be it 30A(robot?) or
50A(welder?) any exhaust fans, dust collection service or whatever will
have to be supplied from, not the Balcony panel, but the sub that feeds the
Balcony called "Above Stage" panel.

I recommend having dedicated breakers for the 240V supplies. Unless we know
exactly what will be powered, there is no way of passing the <50% amperage
usage per plug requirement of the NEC. This is simply the best practice.
Furthermore, this should not be an issue if we are using the "Above Stage"
panel because according to notes on the panel, most breakers within are not
being utilized- so there is plenty of space.

I'll continue to draft the drawings based on what I have written here.
Hopefully the package will be complete and ready for review by this Friday.

https://docs.google.com/spreadsheets/d/1Fgw5himtlmemiXReP-fG6rP-I2RoXsSP_MAZxcNUUm0/edit#gid=1250155659

Thanks,
Whit
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