07:06PM | 03/28/07
Member Since: 03/27/07
1 lifetime posts
I'm going to be running a natural gas line and electric conduit out to my backyard for an outdoor kitchen. I know code says both must be ran ~18" below ground and thats not a problem but the best place to tap into my gas line happens to be at the meter. The same goes for my fuse panel which is above my gas meter. Is it a bad idea to run both the sealed electical conduit and the gas line in the same trench?

Tom O

04:50AM | 04/02/07
Member Since: 09/17/02
476 lifetime posts
There is no prohibition against this in the NEC. In my area, the electric line is usually the deepest, the there is some backfill, generally 12",then the gas line is laid.


12:43PM | 12/07/17
Very dependent on local code.

Usually the gas line has to be below the frost line, which is in local code -- here it is 30". UF wire can be laid at 24".

Gas line and UF wire may be in the same trench if they are separated by 12", but the trench has to conform to the lowest -- here, that's 30"

There are variations as well for CSST in conduit and wire in conduit but generally, gas line has to be below the frost line.
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