404.11.3 Protection of buried pipe.
FGC § 404.11.3
Ferrous metal installed in buried locations shall be protected from corrosion by one of the following methods: 1. Bonded coatings in accordance with Section 404.11.4.
2.Protective wrappings in accordance with Section 404.11.6. Where dissimilar metals are joined underground, an insulating coupling or fitting shall be used. Piping shall not be laid in contact with cinders.













