Vertical EMT Coupling and Support.

Posted by pbs on June 19, 2006, 8:56 am

Hi:
I would like to run two 20' sections of 1" diameter EMT vertically
through an existing chase. Due to 7'-6' ceilings in the basement where
I have to feed this from, each run will require three pieces of EMT.
I am curious about the best type of Cuopling, and appropriate support
for this situation.
What is the best Coupling for this situation, the single set-screw
type, or compression type?
Also, I'll be able to strap the top of the upper section in the attic
to a 2x8, and will be able to support the bottom of the lower section
in the basement too. Is this adequate support in this case?
Thanks.

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