Which method to take to protect cat6 cable?

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New User
Stay at home Dad
I would like to get others opinions on how I should protect a cat6 cable in a finished residential garage. I’m just planning to install one cat6 line to a second story office. In the past the method I would take is to surface mount 1/2 emt conduit in the garage to protect the line. Curious what other methods I can take and still meet code to protect the line? I picked up some 3/8 aluminum flex since I’m just protecting one cat6 line. The run is about 30 feet long with two 90s. Not sure if 3/8 aluminum flex would meet the fill factor requirements for the cat6 line and if aluminum flex meets code for a 30 foot run? Some reason I thought you were limited to how far you could run aluminum flex. Also any thoughts on using smurf tube for this application and still meet code? Thanks.

Little Bill

Staff member
Tennessee NEC:2017
About any of your methods would work to protect the cable.
With that said..........

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