1. A. When the National Electrical Safety Code and the National Electric Code, which are incorporated by reference in Regulation .02 of this chapter, call for different standards or requirements for installations that are under the exclusive control of the utility and located in legally established easements or rights-of-way, or located pursuant to agreements recognized by the Commission such as a utility tariff, the utility shall use the standard or requirement of the National Electrical Safety Code.
2. B. Utilities shall maintain the vertical clearances of overhead electric supply lines that cross water surfaces suitable for sailboating in accordance with the values specified by Rule 232 of the National Electrical Safety Code.

Authority: Public Utilities Article, §§2-113, 2-121, 5-101, 5-303, and 7-213, Annotated Code of Maryland

Effective date: May 22, 1942 (Order No. 38330)

Chapter revised effective May 18, 1960 (Order No. 54348)

Chapter revised effective June 1, 1965 (Order No. 55819)

Regulation .02 amended effective January 23, 1981 (8:2 Md. R. 117); March 27, 2006 (33:6 Md. R. 580); June 9, 2008 (35:8 Md. R. 808); September 21, 2009 (36:19 Md. R. 1438); May 28, 2012 (39:10 Md. R. 661); October 8, 2018 (45:20 Md. R. 920); March 20, 2023 (50:5 Md. R. 183); August 21, 2023 (50:16 Md. R. 728)

Regulation .02K, L amended effective July 7, 2025 (52:13 Md. R. 657)

Regulation .02M—O adopted effective July 7, 2025 (52:13 Md. R. 657)

Regulation .04 amended effective April 15, 2002 (29:7 Md. R. 622); May 28, 2012 (39:10 Md. R. 661)

Regulation .05 adopted effective March 27, 2006 (33:6 Md. R. 580)

Regulation .05 amended effective June 9, 2008 (35:8 Md. R. 808)

Regulation .06 adopted effective September 21, 2009 (36:19 Md. R. 1438)

Regulation .06D adopted effective December 2, 2019 (46:24 Md. R. 1104)