| I
bought a 240 Volt Mig welder and needed to upgrade the wiring in my
garage to supply the voltage for it. While I was at it I decided it
was time to run power for lights and extra 20 Amp plugs for my high
power requirements. I will do the hard part of the install myself
and have a licensed electrician do the final hookup to the main
panel and double check my work before making it live. I will also
apply for a permit to make it a legal install.
I started by installing a sub
panel next to the main but inside the garage. I used 8 gauge wire
and ran it through 1/2" flex conduit from one box to the
other. I have two open ports on the main panel so I will use a 50
amp double pole circuit breaker to power the sub panel. From there I
plan on a 30 Amp double pole circuit breaker for 240v for the welder
plug plus a 20 amp 120v for shop lights and 20 amp 120v for
additional plugs. The pic below is rough work.

l use lighted switches throughout
the house.

Power for the overhead lights.

The overhead lights.
Let there be light

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