<https://www.thebuildingcodeforum.com/forum/threads/bored-underground-service-conductors-warning-tape.36779/>
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"How does one install a warning tape from the building to the utility pole if the service is bored?  It is a small commercial type 5 building 400 amp service using schedule 80 burial depth 18 inches."
<https://www.thebuildingcodeforum.com/forum/threads/bored-underground-service-conductors-warning-tape.36779/#post-290949>