Grounding Electrodes.
Baltimore City Code, Building Codes, Part III, Section 250.52
in effectSection 250.52. Grounding Electrodes.
(A) Electrodes Permitted for Grounding. {As in NEC}
(B) Not Permitted for Use as Grounding Electrodes.
The following may not be used as grounding electrodes:
(1) Gas piping or any other metallic piping or tank that contains flammable liquids
(2) {As in NEC}
(3) {As in NEC}
Source: City of Baltimore Department of Legislative Reference, City of Baltimore Law Library (codes.baltimorecity.gov; Open Law Library bulk XML)URL: https://codes.baltimorecity.gov/us/md/cities/baltimore/code/building-codes/III/250.52Fetched: 10/25/2026