100 amp service for trailer in FL

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Old 07-30-06, 03:53 PM
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100 amp service for trailer in FL

I have a used trailer being installed on new property. The service is 200 at a pole, I need to bury the 100 amp 2/2/2/4 Al. cable service to the trailer. How deep should this be burried? Any related code references , valid for Levy County, FL ?
 
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Old 07-31-06, 08:11 AM
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Minimum 18" depth to the top of the wire -- so the trench should be at least 20".

The vertical portions of the run at the pole and trailer should be in schedule 80 Rigid PVC conduit with a 90 sweep to horizontal at the base of the trench; I would use 2" conduit.

With aluminum cable, make sure the backfill is clean, sand if possible -- no sharp rocks or junk fill. An underground rock puncture will ruin the cable quickly.

You also need to bury a ribbon tape about 6" deep in the trench backfill; you can get this at an electrical supply store. It is a plastic tape (like crime scene tape) that reads "warning burried electrical lines" or something to that effect.

All of these codes come from section 300.5 Underground Installations
 
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