LFNC on the ground.

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Hv&Lv

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Can LFNC be laid directly on the ground for 2-3 feet or must it be held up an inch or two so it’s not “laying on the ground”
I saw an installation today where LFNC was connected to a pipe about a foot above grade, then ran 2’ over to a generator.
sort of like this..

5C13F367-1D4D-4F79-9DC7-C0BBC372DB55.jpeg
 
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There are support requirements for LFNC also there is this which is subjective but IMO this can easily be damaged with a lawn mower.

356.12 Uses Not Permitted. LFNC shall not be used as follows:
(1)Where subject to physical damage
 
There are support requirements for LFNC also there is this which is subjective but IMO this can easily be damaged with a lawn mower.
For arguments sake that piece is 6’ or less…
So just the 356.12?
 
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